Home / 527,623,563.29-791,442,080.28-139,443,039.95

Finding the Fourth Proportional to 527,623,563.29, 791,442,080.28 and 139,443,039.95

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Solution

The fourth proportional to 527,623,563.29, 791,442,080.28 and 139,443,039.95 is: 209,166,339.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,623,563.29 : 791,442,080.28 = 139,443,039.95 : x
  2. Step 2: Convert to fraction form
    527,623,563.29/791,442,080.28 = 139,443,039.95/x
  3. Step 3: Cross multiply
    527,623,563.29x = 791,442,080.28 × 139,443,039.95
  4. Step 4: Simplify right side
    527,623,563.29x = 110,361,089,614,637,920
  5. Step 5: Solve for x
    x = 110,361,089,614,637,920/527,623,563.29
  6. Step 6: Final answer
    x = 209,166,339.97

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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.