Home / 27,784,844,560.17-38,343,002,015.88-15,097,618,935.45

Finding the Fourth Proportional to 27,784,844,560.17, 38,343,002,015.88 and 15,097,618,935.45

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Solution

The fourth proportional to 27,784,844,560.17, 38,343,002,015.88 and 15,097,618,935.45 is: 20,834,668,771.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,784,844,560.17 : 38,343,002,015.88 = 15,097,618,935.45 : x
  2. Step 2: Convert to fraction form
    27,784,844,560.17/38,343,002,015.88 = 15,097,618,935.45/x
  3. Step 3: Cross multiply
    27,784,844,560.17x = 38,343,002,015.88 × 15,097,618,935.45
  4. Step 4: Simplify right side
    27,784,844,560.17x = 578,888,033,276,947,398,656
  5. Step 5: Solve for x
    x = 578,888,033,276,947,398,656/27,784,844,560.17
  6. Step 6: Final answer
    x = 20,834,668,771.43

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Double scale
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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.