Home / 492,958,526.78-680,304,023.44-272,941,972.22

Finding the Fourth Proportional to 492,958,526.78, 680,304,023.44 and 272,941,972.22

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Solution

The fourth proportional to 492,958,526.78, 680,304,023.44 and 272,941,972.22 is: 376,671,690.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,958,526.78 : 680,304,023.44 = 272,941,972.22 : x
  2. Step 2: Convert to fraction form
    492,958,526.78/680,304,023.44 = 272,941,972.22/x
  3. Step 3: Cross multiply
    492,958,526.78x = 680,304,023.44 × 272,941,972.22
  4. Step 4: Simplify right side
    492,958,526.78x = 185,683,521,866,914,752
  5. Step 5: Solve for x
    x = 185,683,521,866,914,752/492,958,526.78
  6. Step 6: Final answer
    x = 376,671,690.98

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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.