Home / 3,171,312,826.10-4,756,969,239.15-1,931,567,261.30

Finding the Fourth Proportional to 3,171,312,826.10, 4,756,969,239.15 and 1,931,567,261.30

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Solution

The fourth proportional to 3,171,312,826.10, 4,756,969,239.15 and 1,931,567,261.30 is: 2,897,350,891.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,312,826.10 : 4,756,969,239.15 = 1,931,567,261.30 : x
  2. Step 2: Convert to fraction form
    3,171,312,826.10/4,756,969,239.15 = 1,931,567,261.30/x
  3. Step 3: Cross multiply
    3,171,312,826.10x = 4,756,969,239.15 × 1,931,567,261.30
  4. Step 4: Simplify right side
    3,171,312,826.10x = 9,188,406,045,353,309,184
  5. Step 5: Solve for x
    x = 9,188,406,045,353,309,184/3,171,312,826.10
  6. Step 6: Final answer
    x = 2,897,350,891.95

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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.