Home / 1,196,963,789,745.90-1,795,676,684,082.80-390,914,033,185.88

Finding the Fourth Proportional to 1,196,963,789,745.90, 1,795,676,684,082.80 and 390,914,033,185.88

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Solution

The fourth proportional to 1,196,963,789,745.90, 1,795,676,684,082.80 and 390,914,033,185.88 is: 586,446,491,436.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,963,789,745.90 : 1,795,676,684,082.80 = 390,914,033,185.88 : x
  2. Step 2: Convert to fraction form
    1,196,963,789,745.90/1,795,676,684,082.80 = 390,914,033,185.88/x
  3. Step 3: Cross multiply
    1,196,963,789,745.90x = 1,795,676,684,082.80 × 390,914,033,185.88
  4. Step 4: Simplify right side
    1,196,963,789,745.90x = 701,955,214,872,654,607,548,416
  5. Step 5: Solve for x
    x = 701,955,214,872,654,607,548,416/1,196,963,789,745.90
  6. Step 6: Final answer
    x = 586,446,491,436.20

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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.