Home / 9,169,168,886.40-12,653,376,999.74-5,154,857,049.46

Finding the Fourth Proportional to 9,169,168,886.40, 12,653,376,999.74 and 5,154,857,049.46

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Solution

The fourth proportional to 9,169,168,886.40, 12,653,376,999.74 and 5,154,857,049.46 is: 7,113,659,965.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169,168,886.40 : 12,653,376,999.74 = 5,154,857,049.46 : x
  2. Step 2: Convert to fraction form
    9,169,168,886.40/12,653,376,999.74 = 5,154,857,049.46/x
  3. Step 3: Cross multiply
    9,169,168,886.40x = 12,653,376,999.74 × 5,154,857,049.46
  4. Step 4: Simplify right side
    9,169,168,886.40x = 65,226,349,626,584,760,320
  5. Step 5: Solve for x
    x = 65,226,349,626,584,760,320/9,169,168,886.40
  6. Step 6: Final answer
    x = 7,113,659,965.77

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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.