Home / 955,399,697.70-1,432,433,250.88-423,321,729.41

Finding the Fourth Proportional to 955,399,697.70, 1,432,433,250.88 and 423,321,729.41

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Solution

The fourth proportional to 955,399,697.70, 1,432,433,250.88 and 423,321,729.41 is: 634,687,369.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,399,697.70 : 1,432,433,250.88 = 423,321,729.41 : x
  2. Step 2: Convert to fraction form
    955,399,697.70/1,432,433,250.88 = 423,321,729.41/x
  3. Step 3: Cross multiply
    955,399,697.70x = 1,432,433,250.88 × 423,321,729.41
  4. Step 4: Simplify right side
    955,399,697.70x = 606,380,121,018,689,536
  5. Step 5: Solve for x
    x = 606,380,121,018,689,536/955,399,697.70
  6. Step 6: Final answer
    x = 634,687,369.57

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1.5x scale

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.