Home / 653,715,534.15-902,094,832.82-371,420,686.98

Finding the Fourth Proportional to 653,715,534.15, 902,094,832.82 and 371,420,686.98

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Solution

The fourth proportional to 653,715,534.15, 902,094,832.82 and 371,420,686.98 is: 512,542,023.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,715,534.15 : 902,094,832.82 = 371,420,686.98 : x
  2. Step 2: Convert to fraction form
    653,715,534.15/902,094,832.82 = 371,420,686.98/x
  3. Step 3: Cross multiply
    653,715,534.15x = 902,094,832.82 × 371,420,686.98
  4. Step 4: Simplify right side
    653,715,534.15x = 335,056,682,527,112,704
  5. Step 5: Solve for x
    x = 335,056,682,527,112,704/653,715,534.15
  6. Step 6: Final answer
    x = 512,542,023.29

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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.