Home / 536,543,999.40-804,815,999.10-372,435,018.60

Finding the Fourth Proportional to 536,543,999.40, 804,815,999.10 and 372,435,018.60

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Solution

The fourth proportional to 536,543,999.40, 804,815,999.10 and 372,435,018.60 is: 558,652,527.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,543,999.40 : 804,815,999.10 = 372,435,018.60 : x
  2. Step 2: Convert to fraction form
    536,543,999.40/804,815,999.10 = 372,435,018.60/x
  3. Step 3: Cross multiply
    536,543,999.40x = 804,815,999.10 × 372,435,018.60
  4. Step 4: Simplify right side
    536,543,999.40x = 299,741,661,594,386,112
  5. Step 5: Solve for x
    x = 299,741,661,594,386,112/536,543,999.40
  6. Step 6: Final answer
    x = 558,652,527.90

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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.