Home / 628,719,945,729.10-943,238,626,477.86-175,438,469,084.88

Finding the Fourth Proportional to 628,719,945,729.10, 943,238,626,477.86 and 175,438,469,084.88

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Solution

The fourth proportional to 628,719,945,729.10, 943,238,626,477.86 and 175,438,469,084.88 is: 263,201,989,590.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,719,945,729.10 : 943,238,626,477.86 = 175,438,469,084.88 : x
  2. Step 2: Convert to fraction form
    628,719,945,729.10/943,238,626,477.86 = 175,438,469,084.88/x
  3. Step 3: Cross multiply
    628,719,945,729.10x = 943,238,626,477.86 × 175,438,469,084.88
  4. Step 4: Simplify right side
    628,719,945,729.10x = 165,480,340,611,000,701,026,304
  5. Step 5: Solve for x
    x = 165,480,340,611,000,701,026,304/628,719,945,729.10
  6. Step 6: Final answer
    x = 263,201,989,590.29

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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.