Home / 349,744,454.78-482,649,680.94-190,975,680.20

Finding the Fourth Proportional to 349,744,454.78, 482,649,680.94 and 190,975,680.20

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Solution

The fourth proportional to 349,744,454.78, 482,649,680.94 and 190,975,680.20 is: 263,547,712.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,744,454.78 : 482,649,680.94 = 190,975,680.20 : x
  2. Step 2: Convert to fraction form
    349,744,454.78/482,649,680.94 = 190,975,680.20/x
  3. Step 3: Cross multiply
    349,744,454.78x = 482,649,680.94 × 190,975,680.20
  4. Step 4: Simplify right side
    349,744,454.78x = 92,174,351,115,829,472
  5. Step 5: Solve for x
    x = 92,174,351,115,829,472/349,744,454.78
  6. Step 6: Final answer
    x = 263,547,712.78

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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.