Home / 831,162,233.32-1,244,257,779.42-502,643,515.24

Finding the Fourth Proportional to 831,162,233.32, 1,244,257,779.42 and 502,643,515.24

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Solution

The fourth proportional to 831,162,233.32, 1,244,257,779.42 and 502,643,515.24 is: 752,462,129.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,162,233.32 : 1,244,257,779.42 = 502,643,515.24 : x
  2. Step 2: Convert to fraction form
    831,162,233.32/1,244,257,779.42 = 502,643,515.24/x
  3. Step 3: Cross multiply
    831,162,233.32x = 1,244,257,779.42 × 502,643,515.24
  4. Step 4: Simplify right side
    831,162,233.32x = 625,418,104,112,385,408
  5. Step 5: Solve for x
    x = 625,418,104,112,385,408/831,162,233.32
  6. Step 6: Final answer
    x = 752,462,129.58

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1.5x scale

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.