Home / 659,766,247.66-910,424,324.91-381,325,805.74

Finding the Fourth Proportional to 659,766,247.66, 910,424,324.91 and 381,325,805.74

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Solution

The fourth proportional to 659,766,247.66, 910,424,324.91 and 381,325,805.74 is: 526,198,923.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,766,247.66 : 910,424,324.91 = 381,325,805.74 : x
  2. Step 2: Convert to fraction form
    659,766,247.66/910,424,324.91 = 381,325,805.74/x
  3. Step 3: Cross multiply
    659,766,247.66x = 910,424,324.91 × 381,325,805.74
  4. Step 4: Simplify right side
    659,766,247.66x = 347,168,289,261,601,280
  5. Step 5: Solve for x
    x = 347,168,289,261,601,280/659,766,247.66
  6. Step 6: Final answer
    x = 526,198,923.47

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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.