Home / 454,168,012.43-626,752,109.33-245,324,157.12

Finding the Fourth Proportional to 454,168,012.43, 626,752,109.33 and 245,324,157.12

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Solution

The fourth proportional to 454,168,012.43, 626,752,109.33 and 245,324,157.12 is: 338,547,473.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,168,012.43 : 626,752,109.33 = 245,324,157.12 : x
  2. Step 2: Convert to fraction form
    454,168,012.43/626,752,109.33 = 245,324,157.12/x
  3. Step 3: Cross multiply
    454,168,012.43x = 626,752,109.33 × 245,324,157.12
  4. Step 4: Simplify right side
    454,168,012.43x = 153,757,432,943,337,728
  5. Step 5: Solve for x
    x = 153,757,432,943,337,728/454,168,012.43
  6. Step 6: Final answer
    x = 338,547,473.04

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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.