Home / 676,976,466.78-934,361,503.65-439,116,429.06

Finding the Fourth Proportional to 676,976,466.78, 934,361,503.65 and 439,116,429.06

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Solution

The fourth proportional to 676,976,466.78, 934,361,503.65 and 439,116,429.06 is: 606,067,577.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,976,466.78 : 934,361,503.65 = 439,116,429.06 : x
  2. Step 2: Convert to fraction form
    676,976,466.78/934,361,503.65 = 439,116,429.06/x
  3. Step 3: Cross multiply
    676,976,466.78x = 934,361,503.65 × 439,116,429.06
  4. Step 4: Simplify right side
    676,976,466.78x = 410,293,486,933,920,128
  5. Step 5: Solve for x
    x = 410,293,486,933,920,128/676,976,466.78
  6. Step 6: Final answer
    x = 606,067,577.04

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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.