Home / 676,976,463.77-934,361,499.51-439,116,426.05

Finding the Fourth Proportional to 676,976,463.77, 934,361,499.51 and 439,116,426.05

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Solution

The fourth proportional to 676,976,463.77, 934,361,499.51 and 439,116,426.05 is: 606,067,572.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,976,463.77 : 934,361,499.51 = 439,116,426.05 : x
  2. Step 2: Convert to fraction form
    676,976,463.77/934,361,499.51 = 439,116,426.05/x
  3. Step 3: Cross multiply
    676,976,463.77x = 934,361,499.51 × 439,116,426.05
  4. Step 4: Simplify right side
    676,976,463.77x = 410,293,482,298,878,208
  5. Step 5: Solve for x
    x = 410,293,482,298,878,208/676,976,463.77
  6. Step 6: Final answer
    x = 606,067,572.89

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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.