Home / 785,432,981.56-1,177,794,929.22-225,066,638.60

Finding the Fourth Proportional to 785,432,981.56, 1,177,794,929.22 and 225,066,638.60

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Solution

The fourth proportional to 785,432,981.56, 1,177,794,929.22 and 225,066,638.60 is: 337,498,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,432,981.56 : 1,177,794,929.22 = 225,066,638.60 : x
  2. Step 2: Convert to fraction form
    785,432,981.56/1,177,794,929.22 = 225,066,638.60/x
  3. Step 3: Cross multiply
    785,432,981.56x = 1,177,794,929.22 × 225,066,638.60
  4. Step 4: Simplify right side
    785,432,981.56x = 265,082,345,679,670,304
  5. Step 5: Solve for x
    x = 265,082,345,679,670,304/785,432,981.56
  6. Step 6: Final answer
    x = 337,498,363.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.