Home / 688,991,001,768.90-1,033,486,502,653.40-185,912,582,786.10

Finding the Fourth Proportional to 688,991,001,768.90, 1,033,486,502,653.40 and 185,912,582,786.10

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Solution

The fourth proportional to 688,991,001,768.90, 1,033,486,502,653.40 and 185,912,582,786.10 is: 278,868,874,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,991,001,768.90 : 1,033,486,502,653.40 = 185,912,582,786.10 : x
  2. Step 2: Convert to fraction form
    688,991,001,768.90/1,033,486,502,653.40 = 185,912,582,786.10/x
  3. Step 3: Cross multiply
    688,991,001,768.90x = 1,033,486,502,653.40 × 185,912,582,786.10
  4. Step 4: Simplify right side
    688,991,001,768.90x = 192,138,144,982,867,202,015,232
  5. Step 5: Solve for x
    x = 192,138,144,982,867,202,015,232/688,991,001,768.90
  6. Step 6: Final answer
    x = 278,868,874,179.16

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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.