Home / 28,274,085,690.55-39,018,356,106.02-15,586,542,630.07

Finding the Fourth Proportional to 28,274,085,690.55, 39,018,356,106.02 and 15,586,542,630.07

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Solution

The fourth proportional to 28,274,085,690.55, 39,018,356,106.02 and 15,586,542,630.07 is: 21,509,493,797.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,274,085,690.55 : 39,018,356,106.02 = 15,586,542,630.07 : x
  2. Step 2: Convert to fraction form
    28,274,085,690.55/39,018,356,106.02 = 15,586,542,630.07/x
  3. Step 3: Cross multiply
    28,274,085,690.55x = 39,018,356,106.02 × 15,586,542,630.07
  4. Step 4: Simplify right side
    28,274,085,690.55x = 608,161,270,801,654,874,112
  5. Step 5: Solve for x
    x = 608,161,270,801,654,874,112/28,274,085,690.55
  6. Step 6: Final answer
    x = 21,509,493,797.88

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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.