Home / 462,731,147.88-638,570,221.80-251,037,977.91

Finding the Fourth Proportional to 462,731,147.88, 638,570,221.80 and 251,037,977.91

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Solution

The fourth proportional to 462,731,147.88, 638,570,221.80 and 251,037,977.91 is: 346,433,081.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,731,147.88 : 638,570,221.80 = 251,037,977.91 : x
  2. Step 2: Convert to fraction form
    462,731,147.88/638,570,221.80 = 251,037,977.91/x
  3. Step 3: Cross multiply
    462,731,147.88x = 638,570,221.80 × 251,037,977.91
  4. Step 4: Simplify right side
    462,731,147.88x = 160,305,377,234,212,192
  5. Step 5: Solve for x
    x = 160,305,377,234,212,192/462,731,147.88
  6. Step 6: Final answer
    x = 346,433,081.00

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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.