Home / 906,983,999.10-1,360,475,998.65-294,008,139.90

Finding the Fourth Proportional to 906,983,999.10, 1,360,475,998.65 and 294,008,139.90

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Solution

The fourth proportional to 906,983,999.10, 1,360,475,998.65 and 294,008,139.90 is: 441,012,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,983,999.10 : 1,360,475,998.65 = 294,008,139.90 : x
  2. Step 2: Convert to fraction form
    906,983,999.10/1,360,475,998.65 = 294,008,139.90/x
  3. Step 3: Cross multiply
    906,983,999.10x = 1,360,475,998.65 × 294,008,139.90
  4. Step 4: Simplify right side
    906,983,999.10x = 399,991,017,741,681,408
  5. Step 5: Solve for x
    x = 399,991,017,741,681,408/906,983,999.10
  6. Step 6: Final answer
    x = 441,012,209.85

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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.