Home / 15,017,546,334.85-20,724,236,643.71-8,150,945,426.12

Finding the Fourth Proportional to 15,017,546,334.85, 20,724,236,643.71 and 8,150,945,426.12

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Solution

The fourth proportional to 15,017,546,334.85, 20,724,236,643.71 and 8,150,945,426.12 is: 11,248,317,009.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,017,546,334.85 : 20,724,236,643.71 = 8,150,945,426.12 : x
  2. Step 2: Convert to fraction form
    15,017,546,334.85/20,724,236,643.71 = 8,150,945,426.12/x
  3. Step 3: Cross multiply
    15,017,546,334.85x = 20,724,236,643.71 × 8,150,945,426.12
  4. Step 4: Simplify right side
    15,017,546,334.85x = 168,922,121,880,952,799,232
  5. Step 5: Solve for x
    x = 168,922,121,880,952,799,232/15,017,546,334.85
  6. Step 6: Final answer
    x = 11,248,317,009.62

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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.