Home / 3,638,642,626.98-5,021,326,833.12-1,967,891,767.92

Finding the Fourth Proportional to 3,638,642,626.98, 5,021,326,833.12 and 1,967,891,767.92

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Solution

The fourth proportional to 3,638,642,626.98, 5,021,326,833.12 and 1,967,891,767.92 is: 2,715,690,644.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638,642,626.98 : 5,021,326,833.12 = 1,967,891,767.92 : x
  2. Step 2: Convert to fraction form
    3,638,642,626.98/5,021,326,833.12 = 1,967,891,767.92/x
  3. Step 3: Cross multiply
    3,638,642,626.98x = 5,021,326,833.12 × 1,967,891,767.92
  4. Step 4: Simplify right side
    3,638,642,626.98x = 9,881,427,738,932,652,032
  5. Step 5: Solve for x
    x = 9,881,427,738,932,652,032/3,638,642,626.98
  6. Step 6: Final answer
    x = 2,715,690,644.00

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Double scale
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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.