Home / 492,958,515.78-680,304,008.25-272,941,961.22

Finding the Fourth Proportional to 492,958,515.78, 680,304,008.25 and 272,941,961.22

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Solution

The fourth proportional to 492,958,515.78, 680,304,008.25 and 272,941,961.22 is: 376,671,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,958,515.78 : 680,304,008.25 = 272,941,961.22 : x
  2. Step 2: Convert to fraction form
    492,958,515.78/680,304,008.25 = 272,941,961.22/x
  3. Step 3: Cross multiply
    492,958,515.78x = 680,304,008.25 × 272,941,961.22
  4. Step 4: Simplify right side
    492,958,515.78x = 185,683,510,237,582,080
  5. Step 5: Solve for x
    x = 185,683,510,237,582,080/492,958,515.78
  6. Step 6: Final answer
    x = 376,671,675.80

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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.