Home / 676,976,465.76-934,361,502.28-439,116,428.04

Finding the Fourth Proportional to 676,976,465.76, 934,361,502.28 and 439,116,428.04

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Solution

The fourth proportional to 676,976,465.76, 934,361,502.28 and 439,116,428.04 is: 606,067,575.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,976,465.76 : 934,361,502.28 = 439,116,428.04 : x
  2. Step 2: Convert to fraction form
    676,976,465.76/934,361,502.28 = 439,116,428.04/x
  3. Step 3: Cross multiply
    676,976,465.76x = 934,361,502.28 × 439,116,428.04
  4. Step 4: Simplify right side
    676,976,465.76x = 410,293,485,379,281,920
  5. Step 5: Solve for x
    x = 410,293,485,379,281,920/676,976,465.76
  6. Step 6: Final answer
    x = 606,067,575.66

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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.