Home / 689,221,732.94-951,132,061.70-375,957,340.10

Finding the Fourth Proportional to 689,221,732.94, 951,132,061.70 and 375,957,340.10

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Solution

The fourth proportional to 689,221,732.94, 951,132,061.70 and 375,957,340.10 is: 518,824,440.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,221,732.94 : 951,132,061.70 = 375,957,340.10 : x
  2. Step 2: Convert to fraction form
    689,221,732.94/951,132,061.70 = 375,957,340.10/x
  3. Step 3: Cross multiply
    689,221,732.94x = 951,132,061.70 × 375,957,340.10
  4. Step 4: Simplify right side
    689,221,732.94x = 357,585,079,993,925,696
  5. Step 5: Solve for x
    x = 357,585,079,993,925,696/689,221,732.94
  6. Step 6: Final answer
    x = 518,824,440.53

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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.