Home / 485,280,884.70-727,921,327.05-370,489,628.70

Finding the Fourth Proportional to 485,280,884.70, 727,921,327.05 and 370,489,628.70

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Solution

The fourth proportional to 485,280,884.70, 727,921,327.05 and 370,489,628.70 is: 555,734,443.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,280,884.70 : 727,921,327.05 = 370,489,628.70 : x
  2. Step 2: Convert to fraction form
    485,280,884.70/727,921,327.05 = 370,489,628.70/x
  3. Step 3: Cross multiply
    485,280,884.70x = 727,921,327.05 × 370,489,628.70
  4. Step 4: Simplify right side
    485,280,884.70x = 269,687,302,181,565,728
  5. Step 5: Solve for x
    x = 269,687,302,181,565,728/485,280,884.70
  6. Step 6: Final answer
    x = 555,734,443.05

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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.