Home / 15,049,880,053.49-20,770,157,824.64-8,276,892,290.00

Finding the Fourth Proportional to 15,049,880,053.49, 20,770,157,824.64 and 8,276,892,290.00

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Solution

The fourth proportional to 15,049,880,053.49, 20,770,157,824.64 and 8,276,892,290.00 is: 11,422,839,155.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,049,880,053.49 : 20,770,157,824.64 = 8,276,892,290.00 : x
  2. Step 2: Convert to fraction form
    15,049,880,053.49/20,770,157,824.64 = 8,276,892,290.00/x
  3. Step 3: Cross multiply
    15,049,880,053.49x = 20,770,157,824.64 × 8,276,892,290.00
  4. Step 4: Simplify right side
    15,049,880,053.49x = 171,912,359,160,700,731,392
  5. Step 5: Solve for x
    x = 171,912,359,160,700,731,392/15,049,880,053.49
  6. Step 6: Final answer
    x = 11,422,839,155.51

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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.