Home / 879,172,073.97-1,213,259,833.08-482,720,741.61

Finding the Fourth Proportional to 879,172,073.97, 1,213,259,833.08 and 482,720,741.61

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Solution

The fourth proportional to 879,172,073.97, 1,213,259,833.08 and 482,720,741.61 is: 666,155,925.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,172,073.97 : 1,213,259,833.08 = 482,720,741.61 : x
  2. Step 2: Convert to fraction form
    879,172,073.97/1,213,259,833.08 = 482,720,741.61/x
  3. Step 3: Cross multiply
    879,172,073.97x = 1,213,259,833.08 × 482,720,741.61
  4. Step 4: Simplify right side
    879,172,073.97x = 585,665,686,390,002,432
  5. Step 5: Solve for x
    x = 585,665,686,390,002,432/879,172,073.97
  6. Step 6: Final answer
    x = 666,155,925.25

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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.