Home / 1,609,893,722,723.40-2,221,660,543,508-878,279,912,307.60

Finding the Fourth Proportional to 1,609,893,722,723.40, 2,221,660,543,508 and 878,279,912,307.60

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Solution

The fourth proportional to 1,609,893,722,723.40, 2,221,660,543,508 and 878,279,912,307.60 is: 1,212,030,210,310.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,893,722,723.40 : 2,221,660,543,508 = 878,279,912,307.60 : x
  2. Step 2: Convert to fraction form
    1,609,893,722,723.40/2,221,660,543,508 = 878,279,912,307.60/x
  3. Step 3: Cross multiply
    1,609,893,722,723.40x = 2,221,660,543,508 × 878,279,912,307.60
  4. Step 4: Simplify right side
    1,609,893,722,723.40x = 1,951,239,827,329,461,153,431,552
  5. Step 5: Solve for x
    x = 1,951,239,827,329,461,153,431,552/1,609,893,722,723.40
  6. Step 6: Final answer
    x = 1,212,030,210,310.17

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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.