Home / 454,168,019.93-626,752,119.69-245,324,164.61

Finding the Fourth Proportional to 454,168,019.93, 626,752,119.69 and 245,324,164.61

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Solution

The fourth proportional to 454,168,019.93, 626,752,119.69 and 245,324,164.61 is: 338,547,483.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,168,019.93 : 626,752,119.69 = 245,324,164.61 : x
  2. Step 2: Convert to fraction form
    454,168,019.93/626,752,119.69 = 245,324,164.61/x
  3. Step 3: Cross multiply
    454,168,019.93x = 626,752,119.69 × 245,324,164.61
  4. Step 4: Simplify right side
    454,168,019.93x = 153,757,440,182,062,880
  5. Step 5: Solve for x
    x = 153,757,440,182,062,880/454,168,019.93
  6. Step 6: Final answer
    x = 338,547,483.39

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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.