Home / 523,069,747.20-784,772,582.40-231,824,332.80

Finding the Fourth Proportional to 523,069,747.20, 784,772,582.40 and 231,824,332.80

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Solution

The fourth proportional to 523,069,747.20, 784,772,582.40 and 231,824,332.80 is: 347,810,939.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,069,747.20 : 784,772,582.40 = 231,824,332.80 : x
  2. Step 2: Convert to fraction form
    523,069,747.20/784,772,582.40 = 231,824,332.80/x
  3. Step 3: Cross multiply
    523,069,747.20x = 784,772,582.40 × 231,824,332.80
  4. Step 4: Simplify right side
    523,069,747.20x = 181,929,380,314,613,024
  5. Step 5: Solve for x
    x = 181,929,380,314,613,024/523,069,747.20
  6. Step 6: Final answer
    x = 347,810,939.72

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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.