Home / 25,722,838,572.98-38,579,978,284.91-7,790,953,719.69

Finding the Fourth Proportional to 25,722,838,572.98, 38,579,978,284.91 and 7,790,953,719.69

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Solution

The fourth proportional to 25,722,838,572.98, 38,579,978,284.91 and 7,790,953,719.69 is: 11,685,134,378.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,722,838,572.98 : 38,579,978,284.91 = 7,790,953,719.69 : x
  2. Step 2: Convert to fraction form
    25,722,838,572.98/38,579,978,284.91 = 7,790,953,719.69/x
  3. Step 3: Cross multiply
    25,722,838,572.98x = 38,579,978,284.91 × 7,790,953,719.69
  4. Step 4: Simplify right side
    25,722,838,572.98x = 300,574,825,324,339,986,432
  5. Step 5: Solve for x
    x = 300,574,825,324,339,986,432/25,722,838,572.98
  6. Step 6: Final answer
    x = 11,685,134,378.60

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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.