Home / 424,865,944.88-636,594,384.67-258,365,800.07

Finding the Fourth Proportional to 424,865,944.88, 636,594,384.67 and 258,365,800.07

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Solution

The fourth proportional to 424,865,944.88, 636,594,384.67 and 258,365,800.07 is: 387,120,265.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,865,944.88 : 636,594,384.67 = 258,365,800.07 : x
  2. Step 2: Convert to fraction form
    424,865,944.88/636,594,384.67 = 258,365,800.07/x
  3. Step 3: Cross multiply
    424,865,944.88x = 636,594,384.67 × 258,365,800.07
  4. Step 4: Simplify right side
    424,865,944.88x = 164,474,217,513,898,624
  5. Step 5: Solve for x
    x = 164,474,217,513,898,624/424,865,944.88
  6. Step 6: Final answer
    x = 387,120,265.81

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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.