Home / 15,087,975,032.19-20,820,467,385.66-8,313,414,500.32

Finding the Fourth Proportional to 15,087,975,032.19, 20,820,467,385.66 and 8,313,414,500.32

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Solution

The fourth proportional to 15,087,975,032.19, 20,820,467,385.66 and 8,313,414,500.32 is: 11,471,995,088.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,087,975,032.19 : 20,820,467,385.66 = 8,313,414,500.32 : x
  2. Step 2: Convert to fraction form
    15,087,975,032.19/20,820,467,385.66 = 8,313,414,500.32/x
  3. Step 3: Cross multiply
    15,087,975,032.19x = 20,820,467,385.66 × 8,313,414,500.32
  4. Step 4: Simplify right side
    15,087,975,032.19x = 173,089,175,467,327,258,624
  5. Step 5: Solve for x
    x = 173,089,175,467,327,258,624/15,087,975,032.19
  6. Step 6: Final answer
    x = 11,471,995,088.68

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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.