Home / 408,726,322.30-564,780,137.16-291,047,348.62

Finding the Fourth Proportional to 408,726,322.30, 564,780,137.16 and 291,047,348.62

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Solution

The fourth proportional to 408,726,322.30, 564,780,137.16 and 291,047,348.62 is: 402,170,725.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,726,322.30 : 564,780,137.16 = 291,047,348.62 : x
  2. Step 2: Convert to fraction form
    408,726,322.30/564,780,137.16 = 291,047,348.62/x
  3. Step 3: Cross multiply
    408,726,322.30x = 564,780,137.16 × 291,047,348.62
  4. Step 4: Simplify right side
    408,726,322.30x = 164,377,761,473,657,920
  5. Step 5: Solve for x
    x = 164,377,761,473,657,920/408,726,322.30
  6. Step 6: Final answer
    x = 402,170,725.26

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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.