Home / 12,517,224,514.94-18,778,740,952.19-4,122,828,903.61

Finding the Fourth Proportional to 12,517,224,514.94, 18,778,740,952.19 and 4,122,828,903.61

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Solution

The fourth proportional to 12,517,224,514.94, 18,778,740,952.19 and 4,122,828,903.61 is: 6,185,199,912.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517,224,514.94 : 18,778,740,952.19 = 4,122,828,903.61 : x
  2. Step 2: Convert to fraction form
    12,517,224,514.94/18,778,740,952.19 = 4,122,828,903.61/x
  3. Step 3: Cross multiply
    12,517,224,514.94x = 18,778,740,952.19 × 4,122,828,903.61
  4. Step 4: Simplify right side
    12,517,224,514.94x = 77,421,535,970,979,201,024
  5. Step 5: Solve for x
    x = 77,421,535,970,979,201,024/12,517,224,514.94
  6. Step 6: Final answer
    x = 6,185,199,912.21

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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.