Home / 792,088,685.10-1,188,133,027.65-724,008,249.90

Finding the Fourth Proportional to 792,088,685.10, 1,188,133,027.65 and 724,008,249.90

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Solution

The fourth proportional to 792,088,685.10, 1,188,133,027.65 and 724,008,249.90 is: 1,086,012,374.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,088,685.10 : 1,188,133,027.65 = 724,008,249.90 : x
  2. Step 2: Convert to fraction form
    792,088,685.10/1,188,133,027.65 = 724,008,249.90/x
  3. Step 3: Cross multiply
    792,088,685.10x = 1,188,133,027.65 × 724,008,249.90
  4. Step 4: Simplify right side
    792,088,685.10x = 860,218,113,997,264,896
  5. Step 5: Solve for x
    x = 860,218,113,997,264,896/792,088,685.10
  6. Step 6: Final answer
    x = 1,086,012,374.85

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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.