Home / 428,526,855.36-591,329,235.60-237,792,656.16

Finding the Fourth Proportional to 428,526,855.36, 591,329,235.60 and 237,792,656.16

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Solution

The fourth proportional to 428,526,855.36, 591,329,235.60 and 237,792,656.16 is: 328,132,876.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,526,855.36 : 591,329,235.60 = 237,792,656.16 : x
  2. Step 2: Convert to fraction form
    428,526,855.36/591,329,235.60 = 237,792,656.16/x
  3. Step 3: Cross multiply
    428,526,855.36x = 591,329,235.60 × 237,792,656.16
  4. Step 4: Simplify right side
    428,526,855.36x = 140,613,749,598,386,432
  5. Step 5: Solve for x
    x = 140,613,749,598,386,432/428,526,855.36
  6. Step 6: Final answer
    x = 328,132,876.25

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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.