Home / 485,110,456.70-727,665,685.05-370,319,200.70

Finding the Fourth Proportional to 485,110,456.70, 727,665,685.05 and 370,319,200.70

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Solution

The fourth proportional to 485,110,456.70, 727,665,685.05 and 370,319,200.70 is: 555,478,801.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,110,456.70 : 727,665,685.05 = 370,319,200.70 : x
  2. Step 2: Convert to fraction form
    485,110,456.70/727,665,685.05 = 370,319,200.70/x
  3. Step 3: Cross multiply
    485,110,456.70x = 727,665,685.05 × 370,319,200.70
  4. Step 4: Simplify right side
    485,110,456.70x = 269,468,574,864,533,920
  5. Step 5: Solve for x
    x = 269,468,574,864,533,920/485,110,456.70
  6. Step 6: Final answer
    x = 555,478,801.05

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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.