Home / 566,421,785.57-781,558,299.12-315,519,933.52

Finding the Fourth Proportional to 566,421,785.57, 781,558,299.12 and 315,519,933.52

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Solution

The fourth proportional to 566,421,785.57, 781,558,299.12 and 315,519,933.52 is: 435,359,706.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,421,785.57 : 781,558,299.12 = 315,519,933.52 : x
  2. Step 2: Convert to fraction form
    566,421,785.57/781,558,299.12 = 315,519,933.52/x
  3. Step 3: Cross multiply
    566,421,785.57x = 781,558,299.12 × 315,519,933.52
  4. Step 4: Simplify right side
    566,421,785.57x = 246,597,222,578,392,768
  5. Step 5: Solve for x
    x = 246,597,222,578,392,768/566,421,785.57
  6. Step 6: Final answer
    x = 435,359,706.95

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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.