Home / 485,118,615.60-727,772,401.80-140,083,498.80

Finding the Fourth Proportional to 485,118,615.60, 727,772,401.80 and 140,083,498.80

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Solution

The fourth proportional to 485,118,615.60, 727,772,401.80 and 140,083,498.80 is: 210,152,529.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,118,615.60 : 727,772,401.80 = 140,083,498.80 : x
  2. Step 2: Convert to fraction form
    485,118,615.60/727,772,401.80 = 140,083,498.80/x
  3. Step 3: Cross multiply
    485,118,615.60x = 727,772,401.80 × 140,083,498.80
  4. Step 4: Simplify right side
    485,118,615.60x = 101,948,904,374,223,424
  5. Step 5: Solve for x
    x = 101,948,904,374,223,424/485,118,615.60
  6. Step 6: Final answer
    x = 210,152,529.91

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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.