Home / 1,118,262,115.98-1,543,206,381.23-616,459,875.79

Finding the Fourth Proportional to 1,118,262,115.98, 1,543,206,381.23 and 616,459,875.79

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Solution

The fourth proportional to 1,118,262,115.98, 1,543,206,381.23 and 616,459,875.79 is: 850,717,198.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,262,115.98 : 1,543,206,381.23 = 616,459,875.79 : x
  2. Step 2: Convert to fraction form
    1,118,262,115.98/1,543,206,381.23 = 616,459,875.79/x
  3. Step 3: Cross multiply
    1,118,262,115.98x = 1,543,206,381.23 × 616,459,875.79
  4. Step 4: Simplify right side
    1,118,262,115.98x = 951,324,814,091,381,120
  5. Step 5: Solve for x
    x = 951,324,814,091,381,120/1,118,262,115.98
  6. Step 6: Final answer
    x = 850,717,198.14

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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.