Home / 1,283,313,439.07-1,921,654,922.67-885,698,922.08

Finding the Fourth Proportional to 1,283,313,439.07, 1,921,654,922.67 and 885,698,922.08

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Solution

The fourth proportional to 1,283,313,439.07, 1,921,654,922.67 and 885,698,922.08 is: 1,326,260,320.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,313,439.07 : 1,921,654,922.67 = 885,698,922.08 : x
  2. Step 2: Convert to fraction form
    1,283,313,439.07/1,921,654,922.67 = 885,698,922.08/x
  3. Step 3: Cross multiply
    1,283,313,439.07x = 1,921,654,922.67 × 885,698,922.08
  4. Step 4: Simplify right side
    1,283,313,439.07x = 1,702,007,693,608,936,704
  5. Step 5: Solve for x
    x = 1,702,007,693,608,936,704/1,283,313,439.07
  6. Step 6: Final answer
    x = 1,326,260,320.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.