Home / 887,976,266.70-1,331,964,400.05-874,371,377.10

Finding the Fourth Proportional to 887,976,266.70, 1,331,964,400.05 and 874,371,377.10

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Solution

The fourth proportional to 887,976,266.70, 1,331,964,400.05 and 874,371,377.10 is: 1,311,557,065.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,976,266.70 : 1,331,964,400.05 = 874,371,377.10 : x
  2. Step 2: Convert to fraction form
    887,976,266.70/1,331,964,400.05 = 874,371,377.10/x
  3. Step 3: Cross multiply
    887,976,266.70x = 1,331,964,400.05 × 874,371,377.10
  4. Step 4: Simplify right side
    887,976,266.70x = 1,164,631,546,719,893,760
  5. Step 5: Solve for x
    x = 1,164,631,546,719,893,760/887,976,266.70
  6. Step 6: Final answer
    x = 1,311,557,065.65

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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.