Home / 1,338,023,705.12-1,845,728,866.62-1,243,329,480.92

Finding the Fourth Proportional to 1,338,023,705.12, 1,845,728,866.62 and 1,243,329,480.92

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Solution

The fourth proportional to 1,338,023,705.12, 1,845,728,866.62 and 1,243,329,480.92 is: 1,715,103,480.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,023,705.12 : 1,845,728,866.62 = 1,243,329,480.92 : x
  2. Step 2: Convert to fraction form
    1,338,023,705.12/1,845,728,866.62 = 1,243,329,480.92/x
  3. Step 3: Cross multiply
    1,338,023,705.12x = 1,845,728,866.62 × 1,243,329,480.92
  4. Step 4: Simplify right side
    1,338,023,705.12x = 2,294,849,113,653,704,448
  5. Step 5: Solve for x
    x = 2,294,849,113,653,704,448/1,338,023,705.12
  6. Step 6: Final answer
    x = 1,715,103,480.51

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Double scale
Find fourth proportional to 1,338,023,706.12, 1,845,728,868 and 1,243,329,481.92
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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.