Home / 672,389,336.55-1,008,614,217.02-206,016,592.35

Finding the Fourth Proportional to 672,389,336.55, 1,008,614,217.02 and 206,016,592.35

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Solution

The fourth proportional to 672,389,336.55, 1,008,614,217.02 and 206,016,592.35 is: 309,034,145.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,389,336.55 : 1,008,614,217.02 = 206,016,592.35 : x
  2. Step 2: Convert to fraction form
    672,389,336.55/1,008,614,217.02 = 206,016,592.35/x
  3. Step 3: Cross multiply
    672,389,336.55x = 1,008,614,217.02 × 206,016,592.35
  4. Step 4: Simplify right side
    672,389,336.55x = 207,791,263,985,193,664
  5. Step 5: Solve for x
    x = 207,791,263,985,193,664/672,389,336.55
  6. Step 6: Final answer
    x = 309,034,145.38

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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.