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Finding the Fourth Proportional to 662,420,594.88, 914,146,673.13 and 365,073,712.92

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Solution

The fourth proportional to 662,420,594.88, 914,146,673.13 and 365,073,712.92 is: 503,805,169.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,420,594.88 : 914,146,673.13 = 365,073,712.92 : x
  2. Step 2: Convert to fraction form
    662,420,594.88/914,146,673.13 = 365,073,712.92/x
  3. Step 3: Cross multiply
    662,420,594.88x = 914,146,673.13 × 365,073,712.92
  4. Step 4: Simplify right side
    662,420,594.88x = 333,730,920,113,034,688
  5. Step 5: Solve for x
    x = 333,730,920,113,034,688/662,420,594.88
  6. Step 6: Final answer
    x = 503,805,169.54

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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.