Home / 792,086,512.60-1,188,129,768.90-724,006,077.40

Finding the Fourth Proportional to 792,086,512.60, 1,188,129,768.90 and 724,006,077.40

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Solution

The fourth proportional to 792,086,512.60, 1,188,129,768.90 and 724,006,077.40 is: 1,086,009,116.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,086,512.60 : 1,188,129,768.90 = 724,006,077.40 : x
  2. Step 2: Convert to fraction form
    792,086,512.60/1,188,129,768.90 = 724,006,077.40/x
  3. Step 3: Cross multiply
    792,086,512.60x = 1,188,129,768.90 × 724,006,077.40
  4. Step 4: Simplify right side
    792,086,512.60x = 860,213,173,423,457,536
  5. Step 5: Solve for x
    x = 860,213,173,423,457,536/792,086,512.60
  6. Step 6: Final answer
    x = 1,086,009,116.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.