Home / 1,118,262,116.98-1,543,206,382.61-616,459,876.79

Finding the Fourth Proportional to 1,118,262,116.98, 1,543,206,382.61 and 616,459,876.79

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Solution

The fourth proportional to 1,118,262,116.98, 1,543,206,382.61 and 616,459,876.79 is: 850,717,199.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,262,116.98 : 1,543,206,382.61 = 616,459,876.79 : x
  2. Step 2: Convert to fraction form
    1,118,262,116.98/1,543,206,382.61 = 616,459,876.79/x
  3. Step 3: Cross multiply
    1,118,262,116.98x = 1,543,206,382.61 × 616,459,876.79
  4. Step 4: Simplify right side
    1,118,262,116.98x = 951,324,816,485,302,016
  5. Step 5: Solve for x
    x = 951,324,816,485,302,016/1,118,262,116.98
  6. Step 6: Final answer
    x = 850,717,199.52

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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.