Home / 2,638,514,920.23-3,641,136,505.92-1,432,845,627.59

Finding the Fourth Proportional to 2,638,514,920.23, 3,641,136,505.92 and 1,432,845,627.59

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Solution

The fourth proportional to 2,638,514,920.23, 3,641,136,505.92 and 1,432,845,627.59 is: 1,977,319,317.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,514,920.23 : 3,641,136,505.92 = 1,432,845,627.59 : x
  2. Step 2: Convert to fraction form
    2,638,514,920.23/3,641,136,505.92 = 1,432,845,627.59/x
  3. Step 3: Cross multiply
    2,638,514,920.23x = 3,641,136,505.92 × 1,432,845,627.59
  4. Step 4: Simplify right side
    2,638,514,920.23x = 5,217,186,521,974,904,832
  5. Step 5: Solve for x
    x = 5,217,186,521,974,904,832/2,638,514,920.23
  6. Step 6: Final answer
    x = 1,977,319,317.76

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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.