Home / 52,278,049,807.05-78,417,074,710.58-13,019,440,255.05

Finding the Fourth Proportional to 52,278,049,807.05, 78,417,074,710.58 and 13,019,440,255.05

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Solution

The fourth proportional to 52,278,049,807.05, 78,417,074,710.58 and 13,019,440,255.05 is: 19,529,160,382.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,278,049,807.05 : 78,417,074,710.58 = 13,019,440,255.05 : x
  2. Step 2: Convert to fraction form
    52,278,049,807.05/78,417,074,710.58 = 13,019,440,255.05/x
  3. Step 3: Cross multiply
    52,278,049,807.05x = 78,417,074,710.58 × 13,019,440,255.05
  4. Step 4: Simplify right side
    52,278,049,807.05x = 1,020,946,419,170,123,448,320
  5. Step 5: Solve for x
    x = 1,020,946,419,170,123,448,320/52,278,049,807.05
  6. Step 6: Final answer
    x = 19,529,160,382.58

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.