Home / 479,948,541.18-719,960,138.73-156,865,072.38

Finding the Fourth Proportional to 479,948,541.18, 719,960,138.73 and 156,865,072.38

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Solution

The fourth proportional to 479,948,541.18, 719,960,138.73 and 156,865,072.38 is: 235,309,808.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,948,541.18 : 719,960,138.73 = 156,865,072.38 : x
  2. Step 2: Convert to fraction form
    479,948,541.18/719,960,138.73 = 156,865,072.38/x
  3. Step 3: Cross multiply
    479,948,541.18x = 719,960,138.73 × 156,865,072.38
  4. Step 4: Simplify right side
    479,948,541.18x = 112,936,599,272,596,288
  5. Step 5: Solve for x
    x = 112,936,599,272,596,288/479,948,541.18
  6. Step 6: Final answer
    x = 235,309,808.41

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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.