Home / 84,246,044,186.70-126,369,066,280.05-28,329,947,930.70

Finding the Fourth Proportional to 84,246,044,186.70, 126,369,066,280.05 and 28,329,947,930.70

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Solution

The fourth proportional to 84,246,044,186.70, 126,369,066,280.05 and 28,329,947,930.70 is: 42,494,921,896.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,246,044,186.70 : 126,369,066,280.05 = 28,329,947,930.70 : x
  2. Step 2: Convert to fraction form
    84,246,044,186.70/126,369,066,280.05 = 28,329,947,930.70/x
  3. Step 3: Cross multiply
    84,246,044,186.70x = 126,369,066,280.05 × 28,329,947,930.70
  4. Step 4: Simplify right side
    84,246,044,186.70x = 3,580,029,067,764,993,884,160
  5. Step 5: Solve for x
    x = 3,580,029,067,764,993,884,160/84,246,044,186.70
  6. Step 6: Final answer
    x = 42,494,921,896.05

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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.