Home / 851,013,761.76-1,174,581,589.12-537,548,602.32

Finding the Fourth Proportional to 851,013,761.76, 1,174,581,589.12 and 537,548,602.32

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Solution

The fourth proportional to 851,013,761.76, 1,174,581,589.12 and 537,548,602.32 is: 741,932,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,013,761.76 : 1,174,581,589.12 = 537,548,602.32 : x
  2. Step 2: Convert to fraction form
    851,013,761.76/1,174,581,589.12 = 537,548,602.32/x
  3. Step 3: Cross multiply
    851,013,761.76x = 1,174,581,589.12 × 537,548,602.32
  4. Step 4: Simplify right side
    851,013,761.76x = 631,394,691,542,260,480
  5. Step 5: Solve for x
    x = 631,394,691,542,260,480/851,013,761.76
  6. Step 6: Final answer
    x = 741,932,410.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.