Home / 7,420,151,667.01-10,239,761,286.39-4,248,948,491.47

Finding the Fourth Proportional to 7,420,151,667.01, 10,239,761,286.39 and 4,248,948,491.47

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Solution

The fourth proportional to 7,420,151,667.01, 10,239,761,286.39 and 4,248,948,491.47 is: 5,863,521,424.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420,151,667.01 : 10,239,761,286.39 = 4,248,948,491.47 : x
  2. Step 2: Convert to fraction form
    7,420,151,667.01/10,239,761,286.39 = 4,248,948,491.47/x
  3. Step 3: Cross multiply
    7,420,151,667.01x = 10,239,761,286.39 × 4,248,948,491.47
  4. Step 4: Simplify right side
    7,420,151,667.01x = 43,508,218,270,819,688,448
  5. Step 5: Solve for x
    x = 43,508,218,270,819,688,448/7,420,151,667.01
  6. Step 6: Final answer
    x = 5,863,521,424.27

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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.