Home / 1,338,023,700.12-1,845,728,859.72-1,243,329,475.92

Finding the Fourth Proportional to 1,338,023,700.12, 1,845,728,859.72 and 1,243,329,475.92

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Solution

The fourth proportional to 1,338,023,700.12, 1,845,728,859.72 and 1,243,329,475.92 is: 1,715,103,473.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,023,700.12 : 1,845,728,859.72 = 1,243,329,475.92 : x
  2. Step 2: Convert to fraction form
    1,338,023,700.12/1,845,728,859.72 = 1,243,329,475.92/x
  3. Step 3: Cross multiply
    1,338,023,700.12x = 1,845,728,859.72 × 1,243,329,475.92
  4. Step 4: Simplify right side
    1,338,023,700.12x = 2,294,849,095,846,086,912
  5. Step 5: Solve for x
    x = 2,294,849,095,846,086,912/1,338,023,700.12
  6. Step 6: Final answer
    x = 1,715,103,473.61

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Double scale
Find fourth proportional to 1,338,023,701.12, 1,845,728,861.10 and 1,243,329,476.92
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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.