Home / 527,207,941.28-727,546,943.22-292,258,006.40

Finding the Fourth Proportional to 527,207,941.28, 727,546,943.22 and 292,258,006.40

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Solution

The fourth proportional to 527,207,941.28, 727,546,943.22 and 292,258,006.40 is: 403,316,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,207,941.28 : 727,546,943.22 = 292,258,006.40 : x
  2. Step 2: Convert to fraction form
    527,207,941.28/727,546,943.22 = 292,258,006.40/x
  3. Step 3: Cross multiply
    527,207,941.28x = 727,546,943.22 × 292,258,006.40
  4. Step 4: Simplify right side
    527,207,941.28x = 212,631,419,187,891,200
  5. Step 5: Solve for x
    x = 212,631,419,187,891,200/527,207,941.28
  6. Step 6: Final answer
    x = 403,316,040.10

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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.