Home / 21,598,235,927.38-29,804,892,425.51-11,952,385,538.65

Finding the Fourth Proportional to 21,598,235,927.38, 29,804,892,425.51 and 11,952,385,538.65

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Solution

The fourth proportional to 21,598,235,927.38, 29,804,892,425.51 and 11,952,385,538.65 is: 16,493,919,522.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,598,235,927.38 : 29,804,892,425.51 = 11,952,385,538.65 : x
  2. Step 2: Convert to fraction form
    21,598,235,927.38/29,804,892,425.51 = 11,952,385,538.65/x
  3. Step 3: Cross multiply
    21,598,235,927.38x = 29,804,892,425.51 × 11,952,385,538.65
  4. Step 4: Simplify right side
    21,598,235,927.38x = 356,239,565,207,505,666,048
  5. Step 5: Solve for x
    x = 356,239,565,207,505,666,048/21,598,235,927.38
  6. Step 6: Final answer
    x = 16,493,919,522.19

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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.