Home / 381,945,266.40-572,917,899.60-123,168,928.80

Finding the Fourth Proportional to 381,945,266.40, 572,917,899.60 and 123,168,928.80

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Solution

The fourth proportional to 381,945,266.40, 572,917,899.60 and 123,168,928.80 is: 184,753,393.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,945,266.40 : 572,917,899.60 = 123,168,928.80 : x
  2. Step 2: Convert to fraction form
    381,945,266.40/572,917,899.60 = 123,168,928.80/x
  3. Step 3: Cross multiply
    381,945,266.40x = 572,917,899.60 × 123,168,928.80
  4. Step 4: Simplify right side
    381,945,266.40x = 70,565,683,984,077,952
  5. Step 5: Solve for x
    x = 70,565,683,984,077,952/381,945,266.40
  6. Step 6: Final answer
    x = 184,753,393.20

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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.