Home / 1,580,550,121-2,181,159,166.98-885,189,097

Finding the Fourth Proportional to 1,580,550,121, 2,181,159,166.98 and 885,189,097

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Solution

The fourth proportional to 1,580,550,121, 2,181,159,166.98 and 885,189,097 is: 1,221,560,953.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,550,121 : 2,181,159,166.98 = 885,189,097 : x
  2. Step 2: Convert to fraction form
    1,580,550,121/2,181,159,166.98 = 885,189,097/x
  3. Step 3: Cross multiply
    1,580,550,121x = 2,181,159,166.98 × 885,189,097
  4. Step 4: Simplify right side
    1,580,550,121x = 1,930,738,313,432,298,496
  5. Step 5: Solve for x
    x = 1,930,738,313,432,298,496/1,580,550,121
  6. Step 6: Final answer
    x = 1,221,560,953.86

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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.