Home / 1,293,326,126.87-1,784,790,836.97-698,610,873.93

Finding the Fourth Proportional to 1,293,326,126.87, 1,784,790,836.97 and 698,610,873.93

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Solution

The fourth proportional to 1,293,326,126.87, 1,784,790,836.97 and 698,610,873.93 is: 964,083,428.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,326,126.87 : 1,784,790,836.97 = 698,610,873.93 : x
  2. Step 2: Convert to fraction form
    1,293,326,126.87/1,784,790,836.97 = 698,610,873.93/x
  3. Step 3: Cross multiply
    1,293,326,126.87x = 1,784,790,836.97 × 698,610,873.93
  4. Step 4: Simplify right side
    1,293,326,126.87x = 1,246,874,286,397,867,776
  5. Step 5: Solve for x
    x = 1,246,874,286,397,867,776/1,293,326,126.87
  6. Step 6: Final answer
    x = 964,083,428.37

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Double scale
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1.5x scale

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.