Home / 836,522,591.70-1,254,783,887.55-291,264,125.70

Finding the Fourth Proportional to 836,522,591.70, 1,254,783,887.55 and 291,264,125.70

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Solution

The fourth proportional to 836,522,591.70, 1,254,783,887.55 and 291,264,125.70 is: 436,896,188.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,522,591.70 : 1,254,783,887.55 = 291,264,125.70 : x
  2. Step 2: Convert to fraction form
    836,522,591.70/1,254,783,887.55 = 291,264,125.70/x
  3. Step 3: Cross multiply
    836,522,591.70x = 1,254,783,887.55 × 291,264,125.70
  4. Step 4: Simplify right side
    836,522,591.70x = 365,473,531,949,697,856
  5. Step 5: Solve for x
    x = 365,473,531,949,697,856/836,522,591.70
  6. Step 6: Final answer
    x = 436,896,188.55

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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.