Home / 283,440,005.20-425,160,007.80-214,911,672.40

Finding the Fourth Proportional to 283,440,005.20, 425,160,007.80 and 214,911,672.40

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Solution

The fourth proportional to 283,440,005.20, 425,160,007.80 and 214,911,672.40 is: 322,367,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,440,005.20 : 425,160,007.80 = 214,911,672.40 : x
  2. Step 2: Convert to fraction form
    283,440,005.20/425,160,007.80 = 214,911,672.40/x
  3. Step 3: Cross multiply
    283,440,005.20x = 425,160,007.80 × 214,911,672.40
  4. Step 4: Simplify right side
    283,440,005.20x = 91,371,848,313,895,056
  5. Step 5: Solve for x
    x = 91,371,848,313,895,056/283,440,005.20
  6. Step 6: Final answer
    x = 322,367,508.60

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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.