Home / 536,543,999.40-804,815,999.10-153,591,551.40

Finding the Fourth Proportional to 536,543,999.40, 804,815,999.10 and 153,591,551.40

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Solution

The fourth proportional to 536,543,999.40, 804,815,999.10 and 153,591,551.40 is: 230,387,327.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,543,999.40 : 804,815,999.10 = 153,591,551.40 : x
  2. Step 2: Convert to fraction form
    536,543,999.40/804,815,999.10 = 153,591,551.40/x
  3. Step 3: Cross multiply
    536,543,999.40x = 804,815,999.10 × 153,591,551.40
  4. Step 4: Simplify right side
    536,543,999.40x = 123,612,937,893,310,016
  5. Step 5: Solve for x
    x = 123,612,937,893,310,016/536,543,999.40
  6. Step 6: Final answer
    x = 230,387,327.10

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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.