Home / 988,410,033.12-1,364,002,102.68-542,380,859.04

Finding the Fourth Proportional to 988,410,033.12, 1,364,002,102.68 and 542,380,859.04

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Solution

The fourth proportional to 988,410,033.12, 1,364,002,102.68 and 542,380,859.04 is: 748,483,531.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,410,033.12 : 1,364,002,102.68 = 542,380,859.04 : x
  2. Step 2: Convert to fraction form
    988,410,033.12/1,364,002,102.68 = 542,380,859.04/x
  3. Step 3: Cross multiply
    988,410,033.12x = 1,364,002,102.68 × 542,380,859.04
  4. Step 4: Simplify right side
    988,410,033.12x = 739,808,632,183,944,704
  5. Step 5: Solve for x
    x = 739,808,632,183,944,704/988,410,033.12
  6. Step 6: Final answer
    x = 748,483,531.52

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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.