Home / 1,334,115,317.75-1,840,005,629.15-1,172,834,458.85

Finding the Fourth Proportional to 1,334,115,317.75, 1,840,005,629.15 and 1,172,834,458.85

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Solution

The fourth proportional to 1,334,115,317.75, 1,840,005,629.15 and 1,172,834,458.85 is: 1,617,567,820.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,115,317.75 : 1,840,005,629.15 = 1,172,834,458.85 : x
  2. Step 2: Convert to fraction form
    1,334,115,317.75/1,840,005,629.15 = 1,172,834,458.85/x
  3. Step 3: Cross multiply
    1,334,115,317.75x = 1,840,005,629.15 × 1,172,834,458.85
  4. Step 4: Simplify right side
    1,334,115,317.75x = 2,158,022,006,343,829,760
  5. Step 5: Solve for x
    x = 2,158,022,006,343,829,760/1,334,115,317.75
  6. Step 6: Final answer
    x = 1,617,567,820.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.