Home / 382,565,943.27-573,251,043.72-266,208,638.61

Finding the Fourth Proportional to 382,565,943.27, 573,251,043.72 and 266,208,638.61

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Solution

The fourth proportional to 382,565,943.27, 573,251,043.72 and 266,208,638.61 is: 398,896,929.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,565,943.27 : 573,251,043.72 = 266,208,638.61 : x
  2. Step 2: Convert to fraction form
    382,565,943.27/573,251,043.72 = 266,208,638.61/x
  3. Step 3: Cross multiply
    382,565,943.27x = 573,251,043.72 × 266,208,638.61
  4. Step 4: Simplify right side
    382,565,943.27x = 152,604,379,930,462,816
  5. Step 5: Solve for x
    x = 152,604,379,930,462,816/382,565,943.27
  6. Step 6: Final answer
    x = 398,896,929.05

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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.