Home / 15,366,859,137.12-21,206,506,362.48-9,023,367,231.84

Finding the Fourth Proportional to 15,366,859,137.12, 21,206,506,362.48 and 9,023,367,231.84

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Solution

The fourth proportional to 15,366,859,137.12, 21,206,506,362.48 and 9,023,367,231.84 is: 12,452,388,149.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,366,859,137.12 : 21,206,506,362.48 = 9,023,367,231.84 : x
  2. Step 2: Convert to fraction form
    15,366,859,137.12/21,206,506,362.48 = 9,023,367,231.84/x
  3. Step 3: Cross multiply
    15,366,859,137.12x = 21,206,506,362.48 × 9,023,367,231.84
  4. Step 4: Simplify right side
    15,366,859,137.12x = 191,354,094,613,008,515,072
  5. Step 5: Solve for x
    x = 191,354,094,613,008,515,072/15,366,859,137.12
  6. Step 6: Final answer
    x = 12,452,388,149.43

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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.