Home / 605,369,002.25-908,053,515.39-145,307,171.63

Finding the Fourth Proportional to 605,369,002.25, 908,053,515.39 and 145,307,171.63

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Solution

The fourth proportional to 605,369,002.25, 908,053,515.39 and 145,307,171.63 is: 217,960,760.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,369,002.25 : 908,053,515.39 = 145,307,171.63 : x
  2. Step 2: Convert to fraction form
    605,369,002.25/908,053,515.39 = 145,307,171.63/x
  3. Step 3: Cross multiply
    605,369,002.25x = 908,053,515.39 × 145,307,171.63
  4. Step 4: Simplify right side
    605,369,002.25x = 131,946,688,012,814,592
  5. Step 5: Solve for x
    x = 131,946,688,012,814,592/605,369,002.25
  6. Step 6: Final answer
    x = 217,960,760.33

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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.