Home / 437,141,927.20-655,712,890.80-219,463,693.60

Finding the Fourth Proportional to 437,141,927.20, 655,712,890.80 and 219,463,693.60

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Solution

The fourth proportional to 437,141,927.20, 655,712,890.80 and 219,463,693.60 is: 329,195,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,141,927.20 : 655,712,890.80 = 219,463,693.60 : x
  2. Step 2: Convert to fraction form
    437,141,927.20/655,712,890.80 = 219,463,693.60/x
  3. Step 3: Cross multiply
    437,141,927.20x = 655,712,890.80 × 219,463,693.60
  4. Step 4: Simplify right side
    437,141,927.20x = 143,905,172,956,101,440
  5. Step 5: Solve for x
    x = 143,905,172,956,101,440/437,141,927.20
  6. Step 6: Final answer
    x = 329,195,540.40

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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.