Home / 3,638,642,572.64-5,021,326,758.17-1,967,891,713.63

Finding the Fourth Proportional to 3,638,642,572.64, 5,021,326,758.17 and 1,967,891,713.63

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Solution

The fourth proportional to 3,638,642,572.64, 5,021,326,758.17 and 1,967,891,713.63 is: 2,715,690,569.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638,642,572.64 : 5,021,326,758.17 = 1,967,891,713.63 : x
  2. Step 2: Convert to fraction form
    3,638,642,572.64/5,021,326,758.17 = 1,967,891,713.63/x
  3. Step 3: Cross multiply
    3,638,642,572.64x = 5,021,326,758.17 × 1,967,891,713.63
  4. Step 4: Simplify right side
    3,638,642,572.64x = 9,881,427,318,831,335,424
  5. Step 5: Solve for x
    x = 9,881,427,318,831,335,424/3,638,642,572.64
  6. Step 6: Final answer
    x = 2,715,690,569.10

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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.