Home / 625,696,416.72-864,177,683.15-412,070,020.93

Finding the Fourth Proportional to 625,696,416.72, 864,177,683.15 and 412,070,020.93

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Solution

The fourth proportional to 625,696,416.72, 864,177,683.15 and 412,070,020.93 is: 569,128,584.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,696,416.72 : 864,177,683.15 = 412,070,020.93 : x
  2. Step 2: Convert to fraction form
    625,696,416.72/864,177,683.15 = 412,070,020.93/x
  3. Step 3: Cross multiply
    625,696,416.72x = 864,177,683.15 × 412,070,020.93
  4. Step 4: Simplify right side
    625,696,416.72x = 356,101,715,982,859,392
  5. Step 5: Solve for x
    x = 356,101,715,982,859,392/625,696,416.72
  6. Step 6: Final answer
    x = 569,128,584.51

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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.