Home / 7,123,968,819.35-9,953,172,029.65-7,123,968,819.35

Finding the Fourth Proportional to 7,123,968,819.35, 9,953,172,029.65 and 7,123,968,819.35

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Solution

The fourth proportional to 7,123,968,819.35, 9,953,172,029.65 and 7,123,968,819.35 is: 9,953,172,029.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,123,968,819.35 : 9,953,172,029.65 = 7,123,968,819.35 : x
  2. Step 2: Convert to fraction form
    7,123,968,819.35/9,953,172,029.65 = 7,123,968,819.35/x
  3. Step 3: Cross multiply
    7,123,968,819.35x = 9,953,172,029.65 × 7,123,968,819.35
  4. Step 4: Simplify right side
    7,123,968,819.35x = 70,906,087,192,853,151,744
  5. Step 5: Solve for x
    x = 70,906,087,192,853,151,744/7,123,968,819.35
  6. Step 6: Final answer
    x = 9,953,172,029.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.