Home / 980,374,702.83-1,352,964,951.97-551,346,992.11

Finding the Fourth Proportional to 980,374,702.83, 1,352,964,951.97 and 551,346,992.11

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Solution

The fourth proportional to 980,374,702.83, 1,352,964,951.97 and 551,346,992.11 is: 760,885,765.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,374,702.83 : 1,352,964,951.97 = 551,346,992.11 : x
  2. Step 2: Convert to fraction form
    980,374,702.83/1,352,964,951.97 = 551,346,992.11/x
  3. Step 3: Cross multiply
    980,374,702.83x = 1,352,964,951.97 × 551,346,992.11
  4. Step 4: Simplify right side
    980,374,702.83x = 745,953,156,698,910,208
  5. Step 5: Solve for x
    x = 745,953,156,698,910,208/980,374,702.83
  6. Step 6: Final answer
    x = 760,885,765.97

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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.