Home / 1,613,452,721.81-2,420,264,902.41-508,144,015.31

Finding the Fourth Proportional to 1,613,452,721.81, 2,420,264,902.41 and 508,144,015.31

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Solution

The fourth proportional to 1,613,452,721.81, 2,420,264,902.41 and 508,144,015.31 is: 762,243,051.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,452,721.81 : 2,420,264,902.41 = 508,144,015.31 : x
  2. Step 2: Convert to fraction form
    1,613,452,721.81/2,420,264,902.41 = 508,144,015.31/x
  3. Step 3: Cross multiply
    1,613,452,721.81x = 2,420,264,902.41 × 508,144,015.31
  4. Step 4: Simplify right side
    1,613,452,721.81x = 1,229,843,125,612,381,184
  5. Step 5: Solve for x
    x = 1,229,843,125,612,381,184/1,613,452,721.81
  6. Step 6: Final answer
    x = 762,243,051.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.