Home / 382,565,931.40-573,251,025.94-266,208,626.73

Finding the Fourth Proportional to 382,565,931.40, 573,251,025.94 and 266,208,626.73

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Solution

The fourth proportional to 382,565,931.40, 573,251,025.94 and 266,208,626.73 is: 398,896,911.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,565,931.40 : 573,251,025.94 = 266,208,626.73 : x
  2. Step 2: Convert to fraction form
    382,565,931.40/573,251,025.94 = 266,208,626.73/x
  3. Step 3: Cross multiply
    382,565,931.40x = 573,251,025.94 × 266,208,626.73
  4. Step 4: Simplify right side
    382,565,931.40x = 152,604,368,388,428,448
  5. Step 5: Solve for x
    x = 152,604,368,388,428,448/382,565,931.40
  6. Step 6: Final answer
    x = 398,896,911.26

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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.