Home / 15,088,119,778.46-20,822,049,439.51-8,314,374,698.07

Finding the Fourth Proportional to 15,088,119,778.46, 20,822,049,439.51 and 8,314,374,698.07

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Solution

The fourth proportional to 15,088,119,778.46, 20,822,049,439.51 and 8,314,374,698.07 is: 11,474,081,831.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,088,119,778.46 : 20,822,049,439.51 = 8,314,374,698.07 : x
  2. Step 2: Convert to fraction form
    15,088,119,778.46/20,822,049,439.51 = 8,314,374,698.07/x
  3. Step 3: Cross multiply
    15,088,119,778.46x = 20,822,049,439.51 × 8,314,374,698.07
  4. Step 4: Simplify right side
    15,088,119,778.46x = 173,122,321,021,901,570,048
  5. Step 5: Solve for x
    x = 173,122,321,021,901,570,048/15,088,119,778.46
  6. Step 6: Final answer
    x = 11,474,081,831.53

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1.5x scale

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.