Home / 988,410,035.12-1,364,002,105.44-542,380,861.04

Finding the Fourth Proportional to 988,410,035.12, 1,364,002,105.44 and 542,380,861.04

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Solution

The fourth proportional to 988,410,035.12, 1,364,002,105.44 and 542,380,861.04 is: 748,483,534.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,410,035.12 : 1,364,002,105.44 = 542,380,861.04 : x
  2. Step 2: Convert to fraction form
    988,410,035.12/1,364,002,105.44 = 542,380,861.04/x
  3. Step 3: Cross multiply
    988,410,035.12x = 1,364,002,105.44 × 542,380,861.04
  4. Step 4: Simplify right side
    988,410,035.12x = 739,808,636,408,920,064
  5. Step 5: Solve for x
    x = 739,808,636,408,920,064/988,410,035.12
  6. Step 6: Final answer
    x = 748,483,534.28

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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.