Home / 10,558,836,001.70-15,838,254,002.55-5,661,075,745.70

Finding the Fourth Proportional to 10,558,836,001.70, 15,838,254,002.55 and 5,661,075,745.70

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Solution

The fourth proportional to 10,558,836,001.70, 15,838,254,002.55 and 5,661,075,745.70 is: 8,491,613,618.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,558,836,001.70 : 15,838,254,002.55 = 5,661,075,745.70 : x
  2. Step 2: Convert to fraction form
    10,558,836,001.70/15,838,254,002.55 = 5,661,075,745.70/x
  3. Step 3: Cross multiply
    10,558,836,001.70x = 15,838,254,002.55 × 5,661,075,745.70
  4. Step 4: Simplify right side
    10,558,836,001.70x = 89,661,555,588,071,751,680
  5. Step 5: Solve for x
    x = 89,661,555,588,071,751,680/10,558,836,001.70
  6. Step 6: Final answer
    x = 8,491,613,618.55

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Half scale
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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.