Home / 383,476,807.70-575,215,211.55-319,703,887.70

Finding the Fourth Proportional to 383,476,807.70, 575,215,211.55 and 319,703,887.70

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Solution

The fourth proportional to 383,476,807.70, 575,215,211.55 and 319,703,887.70 is: 479,555,831.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,476,807.70 : 575,215,211.55 = 319,703,887.70 : x
  2. Step 2: Convert to fraction form
    383,476,807.70/575,215,211.55 = 319,703,887.70/x
  3. Step 3: Cross multiply
    383,476,807.70x = 575,215,211.55 × 319,703,887.70
  4. Step 4: Simplify right side
    383,476,807.70x = 183,898,539,396,712,928
  5. Step 5: Solve for x
    x = 183,898,539,396,712,928/383,476,807.70
  6. Step 6: Final answer
    x = 479,555,831.55

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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.