Home / 52,278,049,995.30-78,417,074,992.95-13,019,440,443.30

Finding the Fourth Proportional to 52,278,049,995.30, 78,417,074,992.95 and 13,019,440,443.30

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Solution

The fourth proportional to 52,278,049,995.30, 78,417,074,992.95 and 13,019,440,443.30 is: 19,529,160,664.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,278,049,995.30 : 78,417,074,992.95 = 13,019,440,443.30 : x
  2. Step 2: Convert to fraction form
    52,278,049,995.30/78,417,074,992.95 = 13,019,440,443.30/x
  3. Step 3: Cross multiply
    52,278,049,995.30x = 78,417,074,992.95 × 13,019,440,443.30
  4. Step 4: Simplify right side
    52,278,049,995.30x = 1,020,946,437,608,502,198,272
  5. Step 5: Solve for x
    x = 1,020,946,437,608,502,198,272/52,278,049,995.30
  6. Step 6: Final answer
    x = 19,529,160,664.95

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Double scale
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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.