Home / 9,686,475,742.72-13,367,336,013.24-5,231,139,689.92

Finding the Fourth Proportional to 9,686,475,742.72, 13,367,336,013.24 and 5,231,139,689.92

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Solution

The fourth proportional to 9,686,475,742.72, 13,367,336,013.24 and 5,231,139,689.92 is: 7,218,972,495.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,686,475,742.72 : 13,367,336,013.24 = 5,231,139,689.92 : x
  2. Step 2: Convert to fraction form
    9,686,475,742.72/13,367,336,013.24 = 5,231,139,689.92/x
  3. Step 3: Cross multiply
    9,686,475,742.72x = 13,367,336,013.24 × 5,231,139,689.92
  4. Step 4: Simplify right side
    9,686,475,742.72x = 69,926,401,967,356,739,584
  5. Step 5: Solve for x
    x = 69,926,401,967,356,739,584/9,686,475,742.72
  6. Step 6: Final answer
    x = 7,218,972,495.74

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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.