Home / 519,694,435.35-717,001,764.24-296,515,787.40

Finding the Fourth Proportional to 519,694,435.35, 717,001,764.24 and 296,515,787.40

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Solution

The fourth proportional to 519,694,435.35, 717,001,764.24 and 296,515,787.40 is: 409,091,050.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,694,435.35 : 717,001,764.24 = 296,515,787.40 : x
  2. Step 2: Convert to fraction form
    519,694,435.35/717,001,764.24 = 296,515,787.40/x
  3. Step 3: Cross multiply
    519,694,435.35x = 717,001,764.24 × 296,515,787.40
  4. Step 4: Simplify right side
    519,694,435.35x = 212,602,342,690,812,736
  5. Step 5: Solve for x
    x = 212,602,342,690,812,736/519,694,435.35
  6. Step 6: Final answer
    x = 409,091,050.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.