Home / 551,622,701.80-761,244,522.78-304,112,913.40

Finding the Fourth Proportional to 551,622,701.80, 761,244,522.78 and 304,112,913.40

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Solution

The fourth proportional to 551,622,701.80, 761,244,522.78 and 304,112,913.40 is: 419,678,684.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,622,701.80 : 761,244,522.78 = 304,112,913.40 : x
  2. Step 2: Convert to fraction form
    551,622,701.80/761,244,522.78 = 304,112,913.40/x
  3. Step 3: Cross multiply
    551,622,701.80x = 761,244,522.78 × 304,112,913.40
  4. Step 4: Simplify right side
    551,622,701.80x = 231,504,289,632,418,432
  5. Step 5: Solve for x
    x = 231,504,289,632,418,432/551,622,701.80
  6. Step 6: Final answer
    x = 419,678,684.14

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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.