Home / 416,218,715.76-574,339,967.28-230,545,040.16

Finding the Fourth Proportional to 416,218,715.76, 574,339,967.28 and 230,545,040.16

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Solution

The fourth proportional to 416,218,715.76, 574,339,967.28 and 230,545,040.16 is: 318,128,968.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,218,715.76 : 574,339,967.28 = 230,545,040.16 : x
  2. Step 2: Convert to fraction form
    416,218,715.76/574,339,967.28 = 230,545,040.16/x
  3. Step 3: Cross multiply
    416,218,715.76x = 574,339,967.28 × 230,545,040.16
  4. Step 4: Simplify right side
    416,218,715.76x = 132,411,230,822,060,672
  5. Step 5: Solve for x
    x = 132,411,230,822,060,672/416,218,715.76
  6. Step 6: Final answer
    x = 318,128,968.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.