Home / 913,139,063.76-1,369,692,565.20-632,761,421.52

Finding the Fourth Proportional to 913,139,063.76, 1,369,692,565.20 and 632,761,421.52

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Solution

The fourth proportional to 913,139,063.76, 1,369,692,565.20 and 632,761,421.52 is: 949,131,023.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,139,063.76 : 1,369,692,565.20 = 632,761,421.52 : x
  2. Step 2: Convert to fraction form
    913,139,063.76/1,369,692,565.20 = 632,761,421.52/x
  3. Step 3: Cross multiply
    913,139,063.76x = 1,369,692,565.20 × 632,761,421.52
  4. Step 4: Simplify right side
    913,139,063.76x = 866,688,614,601,327,232
  5. Step 5: Solve for x
    x = 866,688,614,601,327,232/913,139,063.76
  6. Step 6: Final answer
    x = 949,131,023.96

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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.