Home / 9,985,713,928.38-13,773,648,361.86-6,421,929,040.92

Finding the Fourth Proportional to 9,985,713,928.38, 13,773,648,361.86 and 6,421,929,040.92

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Solution

The fourth proportional to 9,985,713,928.38, 13,773,648,361.86 and 6,421,929,040.92 is: 8,857,993,834.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985,713,928.38 : 13,773,648,361.86 = 6,421,929,040.92 : x
  2. Step 2: Convert to fraction form
    9,985,713,928.38/13,773,648,361.86 = 6,421,929,040.92/x
  3. Step 3: Cross multiply
    9,985,713,928.38x = 13,773,648,361.86 × 6,421,929,040.92
  4. Step 4: Simplify right side
    9,985,713,928.38x = 88,453,392,414,448,926,720
  5. Step 5: Solve for x
    x = 88,453,392,414,448,926,720/9,985,713,928.38
  6. Step 6: Final answer
    x = 8,857,993,834.88

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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.