Home / 1,237,159,990.80-1,855,739,986.20-714,142,330.65

Finding the Fourth Proportional to 1,237,159,990.80, 1,855,739,986.20 and 714,142,330.65

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Solution

The fourth proportional to 1,237,159,990.80, 1,855,739,986.20 and 714,142,330.65 is: 1,071,213,495.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,159,990.80 : 1,855,739,986.20 = 714,142,330.65 : x
  2. Step 2: Convert to fraction form
    1,237,159,990.80/1,855,739,986.20 = 714,142,330.65/x
  3. Step 3: Cross multiply
    1,237,159,990.80x = 1,855,739,986.20 × 714,142,330.65
  4. Step 4: Simplify right side
    1,237,159,990.80x = 1,325,262,478,825,266,944
  5. Step 5: Solve for x
    x = 1,325,262,478,825,266,944/1,237,159,990.80
  6. Step 6: Final answer
    x = 1,071,213,495.98

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Double scale
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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.