Home / 649,737,098.16-974,604,131.54-426,796,048.34

Finding the Fourth Proportional to 649,737,098.16, 974,604,131.54 and 426,796,048.34

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Solution

The fourth proportional to 649,737,098.16, 974,604,131.54 and 426,796,048.34 is: 640,193,076.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,737,098.16 : 974,604,131.54 = 426,796,048.34 : x
  2. Step 2: Convert to fraction form
    649,737,098.16/974,604,131.54 = 426,796,048.34/x
  3. Step 3: Cross multiply
    649,737,098.16x = 974,604,131.54 × 426,796,048.34
  4. Step 4: Simplify right side
    649,737,098.16x = 415,957,192,032,820,416
  5. Step 5: Solve for x
    x = 415,957,192,032,820,416/649,737,098.16
  6. Step 6: Final answer
    x = 640,193,076.88

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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.