Home / 1,237,968,045.30-1,856,952,067.95-824,719,523.70

Finding the Fourth Proportional to 1,237,968,045.30, 1,856,952,067.95 and 824,719,523.70

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Solution

The fourth proportional to 1,237,968,045.30, 1,856,952,067.95 and 824,719,523.70 is: 1,237,079,285.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,968,045.30 : 1,856,952,067.95 = 824,719,523.70 : x
  2. Step 2: Convert to fraction form
    1,237,968,045.30/1,856,952,067.95 = 824,719,523.70/x
  3. Step 3: Cross multiply
    1,237,968,045.30x = 1,856,952,067.95 × 824,719,523.70
  4. Step 4: Simplify right side
    1,237,968,045.30x = 1,531,464,625,013,454,080
  5. Step 5: Solve for x
    x = 1,531,464,625,013,454,080/1,237,968,045.30
  6. Step 6: Final answer
    x = 1,237,079,285.55

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Double scale
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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.