Home / 620,589,013.32-930,603,387.14-177,830,421.40

Finding the Fourth Proportional to 620,589,013.32, 930,603,387.14 and 177,830,421.40

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Solution

The fourth proportional to 620,589,013.32, 930,603,387.14 and 177,830,421.40 is: 266,665,359.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,589,013.32 : 930,603,387.14 = 177,830,421.40 : x
  2. Step 2: Convert to fraction form
    620,589,013.32/930,603,387.14 = 177,830,421.40/x
  3. Step 3: Cross multiply
    620,589,013.32x = 930,603,387.14 × 177,830,421.40
  4. Step 4: Simplify right side
    620,589,013.32x = 165,489,592,491,373,536
  5. Step 5: Solve for x
    x = 165,489,592,491,373,536/620,589,013.32
  6. Step 6: Final answer
    x = 266,665,359.75

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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.