Home / 578,320,488,002.55-867,480,732,003.85-205,956,339,266.55

Finding the Fourth Proportional to 578,320,488,002.55, 867,480,732,003.85 and 205,956,339,266.55

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Solution

The fourth proportional to 578,320,488,002.55, 867,480,732,003.85 and 205,956,339,266.55 is: 308,934,508,899.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,320,488,002.55 : 867,480,732,003.85 = 205,956,339,266.55 : x
  2. Step 2: Convert to fraction form
    578,320,488,002.55/867,480,732,003.85 = 205,956,339,266.55/x
  3. Step 3: Cross multiply
    578,320,488,002.55x = 867,480,732,003.85 × 205,956,339,266.55
  4. Step 4: Simplify right side
    578,320,488,002.55x = 178,663,155,947,780,039,507,968
  5. Step 5: Solve for x
    x = 178,663,155,947,780,039,507,968/578,320,488,002.55
  6. Step 6: Final answer
    x = 308,934,508,899.83

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Double scale
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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.