Home / 402,417,671.70-603,626,507.55-247,449,476.10

Finding the Fourth Proportional to 402,417,671.70, 603,626,507.55 and 247,449,476.10

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Solution

The fourth proportional to 402,417,671.70, 603,626,507.55 and 247,449,476.10 is: 371,174,214.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,417,671.70 : 603,626,507.55 = 247,449,476.10 : x
  2. Step 2: Convert to fraction form
    402,417,671.70/603,626,507.55 = 247,449,476.10/x
  3. Step 3: Cross multiply
    402,417,671.70x = 603,626,507.55 × 247,449,476.10
  4. Step 4: Simplify right side
    402,417,671.70x = 149,367,063,053,320,192
  5. Step 5: Solve for x
    x = 149,367,063,053,320,192/402,417,671.70
  6. Step 6: Final answer
    x = 371,174,214.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.