Home / 1,472,999,540.61-2,209,913,834.90-644,025,982.35

Finding the Fourth Proportional to 1,472,999,540.61, 2,209,913,834.90 and 644,025,982.35

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Solution

The fourth proportional to 1,472,999,540.61, 2,209,913,834.90 and 644,025,982.35 is: 966,220,212.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,999,540.61 : 2,209,913,834.90 = 644,025,982.35 : x
  2. Step 2: Convert to fraction form
    1,472,999,540.61/2,209,913,834.90 = 644,025,982.35/x
  3. Step 3: Cross multiply
    1,472,999,540.61x = 2,209,913,834.90 × 644,025,982.35
  4. Step 4: Simplify right side
    1,472,999,540.61x = 1,423,241,928,427,108,096
  5. Step 5: Solve for x
    x = 1,423,241,928,427,108,096/1,472,999,540.61
  6. Step 6: Final answer
    x = 966,220,212.02

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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.