Home / 1,206,108,672.30-1,809,163,008.45-516,085,677.90

Finding the Fourth Proportional to 1,206,108,672.30, 1,809,163,008.45 and 516,085,677.90

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Solution

The fourth proportional to 1,206,108,672.30, 1,809,163,008.45 and 516,085,677.90 is: 774,128,516.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,108,672.30 : 1,809,163,008.45 = 516,085,677.90 : x
  2. Step 2: Convert to fraction form
    1,206,108,672.30/1,809,163,008.45 = 516,085,677.90/x
  3. Step 3: Cross multiply
    1,206,108,672.30x = 1,809,163,008.45 × 516,085,677.90
  4. Step 4: Simplify right side
    1,206,108,672.30x = 933,683,117,647,521,664
  5. Step 5: Solve for x
    x = 933,683,117,647,521,664/1,206,108,672.30
  6. Step 6: Final answer
    x = 774,128,516.85

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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.