Home / 625,696,417.34-864,177,684.02-412,070,021.56

Finding the Fourth Proportional to 625,696,417.34, 864,177,684.02 and 412,070,021.56

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Solution

The fourth proportional to 625,696,417.34, 864,177,684.02 and 412,070,021.56 is: 569,128,585.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,696,417.34 : 864,177,684.02 = 412,070,021.56 : x
  2. Step 2: Convert to fraction form
    625,696,417.34/864,177,684.02 = 412,070,021.56/x
  3. Step 3: Cross multiply
    625,696,417.34x = 864,177,684.02 × 412,070,021.56
  4. Step 4: Simplify right side
    625,696,417.34x = 356,101,716,885,792,256
  5. Step 5: Solve for x
    x = 356,101,716,885,792,256/625,696,417.34
  6. Step 6: Final answer
    x = 569,128,585.39

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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.