Home / 679,533,282.60-1,019,134,288.20-188,233,792.80

Finding the Fourth Proportional to 679,533,282.60, 1,019,134,288.20 and 188,233,792.80

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Solution

The fourth proportional to 679,533,282.60, 1,019,134,288.20 and 188,233,792.80 is: 282,304,807.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,533,282.60 : 1,019,134,288.20 = 188,233,792.80 : x
  2. Step 2: Convert to fraction form
    679,533,282.60/1,019,134,288.20 = 188,233,792.80/x
  3. Step 3: Cross multiply
    679,533,282.60x = 1,019,134,288.20 × 188,233,792.80
  4. Step 4: Simplify right side
    679,533,282.60x = 191,835,512,440,414,304
  5. Step 5: Solve for x
    x = 191,835,512,440,414,304/679,533,282.60
  6. Step 6: Final answer
    x = 282,304,807.36

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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.