Home / 1,149,780,064.79-1,724,683,927.44-320,683,223.28

Finding the Fourth Proportional to 1,149,780,064.79, 1,724,683,927.44 and 320,683,223.28

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Solution

The fourth proportional to 1,149,780,064.79, 1,724,683,927.44 and 320,683,223.28 is: 481,028,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,780,064.79 : 1,724,683,927.44 = 320,683,223.28 : x
  2. Step 2: Convert to fraction form
    1,149,780,064.79/1,724,683,927.44 = 320,683,223.28/x
  3. Step 3: Cross multiply
    1,149,780,064.79x = 1,724,683,927.44 × 320,683,223.28
  4. Step 4: Simplify right side
    1,149,780,064.79x = 553,077,200,990,668,800
  5. Step 5: Solve for x
    x = 553,077,200,990,668,800/1,149,780,064.79
  6. Step 6: Final answer
    x = 481,028,692.30

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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.