Home / 542,376,039.40-813,564,059.10-283,670,560.60

Finding the Fourth Proportional to 542,376,039.40, 813,564,059.10 and 283,670,560.60

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Solution

The fourth proportional to 542,376,039.40, 813,564,059.10 and 283,670,560.60 is: 425,505,840.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,376,039.40 : 813,564,059.10 = 283,670,560.60 : x
  2. Step 2: Convert to fraction form
    542,376,039.40/813,564,059.10 = 283,670,560.60/x
  3. Step 3: Cross multiply
    542,376,039.40x = 813,564,059.10 × 283,670,560.60
  4. Step 4: Simplify right side
    542,376,039.40x = 230,784,172,728,908,544
  5. Step 5: Solve for x
    x = 230,784,172,728,908,544/542,376,039.40
  6. Step 6: Final answer
    x = 425,505,840.90

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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.