Home / 485,110,420.20-727,665,630.30-370,319,164.20

Finding the Fourth Proportional to 485,110,420.20, 727,665,630.30 and 370,319,164.20

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Solution

The fourth proportional to 485,110,420.20, 727,665,630.30 and 370,319,164.20 is: 555,478,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,110,420.20 : 727,665,630.30 = 370,319,164.20 : x
  2. Step 2: Convert to fraction form
    485,110,420.20/727,665,630.30 = 370,319,164.20/x
  3. Step 3: Cross multiply
    485,110,420.20x = 727,665,630.30 × 370,319,164.20
  4. Step 4: Simplify right side
    485,110,420.20x = 269,468,528,029,762,176
  5. Step 5: Solve for x
    x = 269,468,528,029,762,176/485,110,420.20
  6. Step 6: Final answer
    x = 555,478,746.30

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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.