Home / 7,168,230,681.82-9,892,123,005.81-4,158,092,170.78

Finding the Fourth Proportional to 7,168,230,681.82, 9,892,123,005.81 and 4,158,092,170.78

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Solution

The fourth proportional to 7,168,230,681.82, 9,892,123,005.81 and 4,158,092,170.78 is: 5,738,146,698.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168,230,681.82 : 9,892,123,005.81 = 4,158,092,170.78 : x
  2. Step 2: Convert to fraction form
    7,168,230,681.82/9,892,123,005.81 = 4,158,092,170.78/x
  3. Step 3: Cross multiply
    7,168,230,681.82x = 9,892,123,005.81 × 4,158,092,170.78
  4. Step 4: Simplify right side
    7,168,230,681.82x = 41,132,359,222,851,280,896
  5. Step 5: Solve for x
    x = 41,132,359,222,851,280,896/7,168,230,681.82
  6. Step 6: Final answer
    x = 5,738,146,698.76

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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.