Home / 827,904,101.80-1,241,681,970.30-418,575,461.80

Finding the Fourth Proportional to 827,904,101.80, 1,241,681,970.30 and 418,575,461.80

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Solution

The fourth proportional to 827,904,101.80, 1,241,681,970.30 and 418,575,461.80 is: 627,775,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,904,101.80 : 1,241,681,970.30 = 418,575,461.80 : x
  2. Step 2: Convert to fraction form
    827,904,101.80/1,241,681,970.30 = 418,575,461.80/x
  3. Step 3: Cross multiply
    827,904,101.80x = 1,241,681,970.30 × 418,575,461.80
  4. Step 4: Simplify right side
    827,904,101.80x = 519,737,604,127,056,384
  5. Step 5: Solve for x
    x = 519,737,604,127,056,384/827,904,101.80
  6. Step 6: Final answer
    x = 627,775,128.78

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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.