Home / 407,331,535.73-611,391,898.53-385,210,304.10

Finding the Fourth Proportional to 407,331,535.73, 611,391,898.53 and 385,210,304.10

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Solution

The fourth proportional to 407,331,535.73, 611,391,898.53 and 385,210,304.10 is: 578,188,621.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,331,535.73 : 611,391,898.53 = 385,210,304.10 : x
  2. Step 2: Convert to fraction form
    407,331,535.73/611,391,898.53 = 385,210,304.10/x
  3. Step 3: Cross multiply
    407,331,535.73x = 611,391,898.53 × 385,210,304.10
  4. Step 4: Simplify right side
    407,331,535.73x = 235,514,459,157,017,632
  5. Step 5: Solve for x
    x = 235,514,459,157,017,632/407,331,535.73
  6. Step 6: Final answer
    x = 578,188,621.56

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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.