Home / 691,216,998.47-1,036,826,495.60-282,273,148.97

Finding the Fourth Proportional to 691,216,998.47, 1,036,826,495.60 and 282,273,148.97

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Solution

The fourth proportional to 691,216,998.47, 1,036,826,495.60 and 282,273,148.97 is: 423,410,130.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,216,998.47 : 1,036,826,495.60 = 282,273,148.97 : x
  2. Step 2: Convert to fraction form
    691,216,998.47/1,036,826,495.60 = 282,273,148.97/x
  3. Step 3: Cross multiply
    691,216,998.47x = 1,036,826,495.60 × 282,273,148.97
  4. Step 4: Simplify right side
    691,216,998.47x = 292,668,279,848,541,888
  5. Step 5: Solve for x
    x = 292,668,279,848,541,888/691,216,998.47
  6. Step 6: Final answer
    x = 423,410,130.97

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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.