Home / 792,178,148.70-1,188,261,318.15-239,479,508.70

Finding the Fourth Proportional to 792,178,148.70, 1,188,261,318.15 and 239,479,508.70

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Solution

The fourth proportional to 792,178,148.70, 1,188,261,318.15 and 239,479,508.70 is: 359,217,477.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,178,148.70 : 1,188,261,318.15 = 239,479,508.70 : x
  2. Step 2: Convert to fraction form
    792,178,148.70/1,188,261,318.15 = 239,479,508.70/x
  3. Step 3: Cross multiply
    792,178,148.70x = 1,188,261,318.15 × 239,479,508.70
  4. Step 4: Simplify right side
    792,178,148.70x = 284,564,236,677,776,416
  5. Step 5: Solve for x
    x = 284,564,236,677,776,416/792,178,148.70
  6. Step 6: Final answer
    x = 359,217,477.97

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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.