Home / 653,715,532.40-902,094,830.41-371,420,685.23

Finding the Fourth Proportional to 653,715,532.40, 902,094,830.41 and 371,420,685.23

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Solution

The fourth proportional to 653,715,532.40, 902,094,830.41 and 371,420,685.23 is: 512,542,020.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,715,532.40 : 902,094,830.41 = 371,420,685.23 : x
  2. Step 2: Convert to fraction form
    653,715,532.40/902,094,830.41 = 371,420,685.23/x
  3. Step 3: Cross multiply
    653,715,532.40x = 902,094,830.41 × 371,420,685.23
  4. Step 4: Simplify right side
    653,715,532.40x = 335,056,680,051,465,728
  5. Step 5: Solve for x
    x = 335,056,680,051,465,728/653,715,532.40
  6. Step 6: Final answer
    x = 512,542,020.87

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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.