Home / 13,890,736,488.62-20,791,025,249.59-7,500,390,055.64

Finding the Fourth Proportional to 13,890,736,488.62, 20,791,025,249.59 and 7,500,390,055.64

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Solution

The fourth proportional to 13,890,736,488.62, 20,791,025,249.59 and 7,500,390,055.64 is: 11,226,244,134.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,890,736,488.62 : 20,791,025,249.59 = 7,500,390,055.64 : x
  2. Step 2: Convert to fraction form
    13,890,736,488.62/20,791,025,249.59 = 7,500,390,055.64/x
  3. Step 3: Cross multiply
    13,890,736,488.62x = 20,791,025,249.59 × 7,500,390,055.64
  4. Step 4: Simplify right side
    13,890,736,488.62x = 155,940,799,028,710,637,568
  5. Step 5: Solve for x
    x = 155,940,799,028,710,637,568/13,890,736,488.62
  6. Step 6: Final answer
    x = 11,226,244,134.46

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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.