Home / 12,258,722,385.47-18,388,083,821.51-2,942,470,315.42

Finding the Fourth Proportional to 12,258,722,385.47, 18,388,083,821.51 and 2,942,470,315.42

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Solution

The fourth proportional to 12,258,722,385.47, 18,388,083,821.51 and 2,942,470,315.42 is: 4,413,705,531.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258,722,385.47 : 18,388,083,821.51 = 2,942,470,315.42 : x
  2. Step 2: Convert to fraction form
    12,258,722,385.47/18,388,083,821.51 = 2,942,470,315.42/x
  3. Step 3: Cross multiply
    12,258,722,385.47x = 18,388,083,821.51 × 2,942,470,315.42
  4. Step 4: Simplify right side
    12,258,722,385.47x = 54,106,390,802,207,850,496
  5. Step 5: Solve for x
    x = 54,106,390,802,207,850,496/12,258,722,385.47
  6. Step 6: Final answer
    x = 4,413,705,531.53

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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.