Home / 1,149,869,020.20-1,724,803,530.30-320,821,060.20

Finding the Fourth Proportional to 1,149,869,020.20, 1,724,803,530.30 and 320,821,060.20

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Solution

The fourth proportional to 1,149,869,020.20, 1,724,803,530.30 and 320,821,060.20 is: 481,231,590.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,869,020.20 : 1,724,803,530.30 = 320,821,060.20 : x
  2. Step 2: Convert to fraction form
    1,149,869,020.20/1,724,803,530.30 = 320,821,060.20/x
  3. Step 3: Cross multiply
    1,149,869,020.20x = 1,724,803,530.30 × 320,821,060.20
  4. Step 4: Simplify right side
    1,149,869,020.20x = 553,353,297,227,548,800
  5. Step 5: Solve for x
    x = 553,353,297,227,548,800/1,149,869,020.20
  6. Step 6: Final answer
    x = 481,231,590.30

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,149,869,021.20, 1,724,803,531.80 and 320,821,061.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.