Home / 705,006,441.69-972,930,789.18-387,460,925.61

Finding the Fourth Proportional to 705,006,441.69, 972,930,789.18 and 387,460,925.61

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Solution

The fourth proportional to 705,006,441.69, 972,930,789.18 and 387,460,925.61 is: 534,708,113.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,006,441.69 : 972,930,789.18 = 387,460,925.61 : x
  2. Step 2: Convert to fraction form
    705,006,441.69/972,930,789.18 = 387,460,925.61/x
  3. Step 3: Cross multiply
    705,006,441.69x = 972,930,789.18 × 387,460,925.61
  4. Step 4: Simplify right side
    705,006,441.69x = 376,972,664,130,150,592
  5. Step 5: Solve for x
    x = 376,972,664,130,150,592/705,006,441.69
  6. Step 6: Final answer
    x = 534,708,113.06

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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.