Home / 792,085,941.10-1,188,128,911.65-724,005,505.90

Finding the Fourth Proportional to 792,085,941.10, 1,188,128,911.65 and 724,005,505.90

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Solution

The fourth proportional to 792,085,941.10, 1,188,128,911.65 and 724,005,505.90 is: 1,086,008,258.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,085,941.10 : 1,188,128,911.65 = 724,005,505.90 : x
  2. Step 2: Convert to fraction form
    792,085,941.10/1,188,128,911.65 = 724,005,505.90/x
  3. Step 3: Cross multiply
    792,085,941.10x = 1,188,128,911.65 × 724,005,505.90
  4. Step 4: Simplify right side
    792,085,941.10x = 860,211,873,753,574,656
  5. Step 5: Solve for x
    x = 860,211,873,753,574,656/792,085,941.10
  6. Step 6: Final answer
    x = 1,086,008,258.85

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1.5x scale

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.