Home / 616,819,205.20-925,231,956-207,878,898.64

Finding the Fourth Proportional to 616,819,205.20, 925,231,956 and 207,878,898.64

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Solution

The fourth proportional to 616,819,205.20, 925,231,956 and 207,878,898.64 is: 311,819,408.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,819,205.20 : 925,231,956 = 207,878,898.64 : x
  2. Step 2: Convert to fraction form
    616,819,205.20/925,231,956 = 207,878,898.64/x
  3. Step 3: Cross multiply
    616,819,205.20x = 925,231,956 × 207,878,898.64
  4. Step 4: Simplify right side
    616,819,205.20x = 192,336,199,999,812,928
  5. Step 5: Solve for x
    x = 192,336,199,999,812,928/616,819,205.20
  6. Step 6: Final answer
    x = 311,819,408.96

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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.