Home / 12,430,468,029.42-18,645,432,831.72-3,466,418,113.15

Finding the Fourth Proportional to 12,430,468,029.42, 18,645,432,831.72 and 3,466,418,113.15

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Solution

The fourth proportional to 12,430,468,029.42, 18,645,432,831.72 and 3,466,418,113.15 is: 5,199,552,095.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,430,468,029.42 : 18,645,432,831.72 = 3,466,418,113.15 : x
  2. Step 2: Convert to fraction form
    12,430,468,029.42/18,645,432,831.72 = 3,466,418,113.15/x
  3. Step 3: Cross multiply
    12,430,468,029.42x = 18,645,432,831.72 × 3,466,418,113.15
  4. Step 4: Simplify right side
    12,430,468,029.42x = 64,632,866,095,435,874,304
  5. Step 5: Solve for x
    x = 64,632,866,095,435,874,304/12,430,468,029.42
  6. Step 6: Final answer
    x = 5,199,552,095.90

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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.