Home / 10,399,700,848.32-14,351,614,987.68-5,641,976,723.04

Finding the Fourth Proportional to 10,399,700,848.32, 14,351,614,987.68 and 5,641,976,723.04

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Solution

The fourth proportional to 10,399,700,848.32, 14,351,614,987.68 and 5,641,976,723.04 is: 7,785,942,968.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399,700,848.32 : 14,351,614,987.68 = 5,641,976,723.04 : x
  2. Step 2: Convert to fraction form
    10,399,700,848.32/14,351,614,987.68 = 5,641,976,723.04/x
  3. Step 3: Cross multiply
    10,399,700,848.32x = 14,351,614,987.68 × 5,641,976,723.04
  4. Step 4: Simplify right side
    10,399,700,848.32x = 80,971,477,698,522,562,560
  5. Step 5: Solve for x
    x = 80,971,477,698,522,562,560/10,399,700,848.32
  6. Step 6: Final answer
    x = 7,785,942,968.89

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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.