Home / 625,696,416.34-864,177,682.64-412,070,020.56

Finding the Fourth Proportional to 625,696,416.34, 864,177,682.64 and 412,070,020.56

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Solution

The fourth proportional to 625,696,416.34, 864,177,682.64 and 412,070,020.56 is: 569,128,584.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,696,416.34 : 864,177,682.64 = 412,070,020.56 : x
  2. Step 2: Convert to fraction form
    625,696,416.34/864,177,682.64 = 412,070,020.56/x
  3. Step 3: Cross multiply
    625,696,416.34x = 864,177,682.64 × 412,070,020.56
  4. Step 4: Simplify right side
    625,696,416.34x = 356,101,715,452,957,952
  5. Step 5: Solve for x
    x = 356,101,715,452,957,952/625,696,416.34
  6. Step 6: Final answer
    x = 569,128,584.01

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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.