Home / 653,715,535.15-902,094,834.20-371,420,687.98

Finding the Fourth Proportional to 653,715,535.15, 902,094,834.20 and 371,420,687.98

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Solution

The fourth proportional to 653,715,535.15, 902,094,834.20 and 371,420,687.98 is: 512,542,024.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,715,535.15 : 902,094,834.20 = 371,420,687.98 : x
  2. Step 2: Convert to fraction form
    653,715,535.15/902,094,834.20 = 371,420,687.98/x
  3. Step 3: Cross multiply
    653,715,535.15x = 902,094,834.20 × 371,420,687.98
  4. Step 4: Simplify right side
    653,715,535.15x = 335,056,683,941,768,064
  5. Step 5: Solve for x
    x = 335,056,683,941,768,064/653,715,535.15
  6. Step 6: Final answer
    x = 512,542,024.67

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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.