Home / 537,389,985.12-741,827,006.28-361,280,117.76

Finding the Fourth Proportional to 537,389,985.12, 741,827,006.28 and 361,280,117.76

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Solution

The fourth proportional to 537,389,985.12, 741,827,006.28 and 361,280,117.76 is: 498,720,399.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,389,985.12 : 741,827,006.28 = 361,280,117.76 : x
  2. Step 2: Convert to fraction form
    537,389,985.12/741,827,006.28 = 361,280,117.76/x
  3. Step 3: Cross multiply
    537,389,985.12x = 741,827,006.28 × 361,280,117.76
  4. Step 4: Simplify right side
    537,389,985.12x = 268,007,348,186,386,656
  5. Step 5: Solve for x
    x = 268,007,348,186,386,656/537,389,985.12
  6. Step 6: Final answer
    x = 498,720,399.72

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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.