Home / 10,352,544,139.70-15,528,816,209.55-8,514,372,389.30

Finding the Fourth Proportional to 10,352,544,139.70, 15,528,816,209.55 and 8,514,372,389.30

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Solution

The fourth proportional to 10,352,544,139.70, 15,528,816,209.55 and 8,514,372,389.30 is: 12,771,558,583.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,352,544,139.70 : 15,528,816,209.55 = 8,514,372,389.30 : x
  2. Step 2: Convert to fraction form
    10,352,544,139.70/15,528,816,209.55 = 8,514,372,389.30/x
  3. Step 3: Cross multiply
    10,352,544,139.70x = 15,528,816,209.55 × 8,514,372,389.30
  4. Step 4: Simplify right side
    10,352,544,139.70x = 132,218,123,973,106,794,496
  5. Step 5: Solve for x
    x = 132,218,123,973,106,794,496/10,352,544,139.70
  6. Step 6: Final answer
    x = 12,771,558,583.95

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Double scale
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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.