Home / 9,686,308,451.28-13,367,105,554.19-5,230,972,827.78

Finding the Fourth Proportional to 9,686,308,451.28, 13,367,105,554.19 and 5,230,972,827.78

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Solution

The fourth proportional to 9,686,308,451.28, 13,367,105,554.19 and 5,230,972,827.78 is: 7,218,742,443.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,686,308,451.28 : 13,367,105,554.19 = 5,230,972,827.78 : x
  2. Step 2: Convert to fraction form
    9,686,308,451.28/13,367,105,554.19 = 5,230,972,827.78/x
  3. Step 3: Cross multiply
    9,686,308,451.28x = 13,367,105,554.19 × 5,230,972,827.78
  4. Step 4: Simplify right side
    9,686,308,451.28x = 69,922,965,940,032,913,408
  5. Step 5: Solve for x
    x = 69,922,965,940,032,913,408/9,686,308,451.28
  6. Step 6: Final answer
    x = 7,218,742,443.70

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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.