Home / 1,118,111,234.35-1,543,062,538.69-616,318,887.95

Finding the Fourth Proportional to 1,118,111,234.35, 1,543,062,538.69 and 616,318,887.95

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Solution

The fourth proportional to 1,118,111,234.35, 1,543,062,538.69 and 616,318,887.95 is: 850,558,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,111,234.35 : 1,543,062,538.69 = 616,318,887.95 : x
  2. Step 2: Convert to fraction form
    1,118,111,234.35/1,543,062,538.69 = 616,318,887.95/x
  3. Step 3: Cross multiply
    1,118,111,234.35x = 1,543,062,538.69 × 616,318,887.95
  4. Step 4: Simplify right side
    1,118,111,234.35x = 951,018,587,873,468,672
  5. Step 5: Solve for x
    x = 951,018,587,873,468,672/1,118,111,234.35
  6. Step 6: Final answer
    x = 850,558,118.60

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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.