Home / 855,597,844,851.20-1,283,396,767,276.80-458,879,264,115.20

Finding the Fourth Proportional to 855,597,844,851.20, 1,283,396,767,276.80 and 458,879,264,115.20

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Solution

The fourth proportional to 855,597,844,851.20, 1,283,396,767,276.80 and 458,879,264,115.20 is: 688,318,896,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,597,844,851.20 : 1,283,396,767,276.80 = 458,879,264,115.20 : x
  2. Step 2: Convert to fraction form
    855,597,844,851.20/1,283,396,767,276.80 = 458,879,264,115.20/x
  3. Step 3: Cross multiply
    855,597,844,851.20x = 1,283,396,767,276.80 × 458,879,264,115.20
  4. Step 4: Simplify right side
    855,597,844,851.20x = 588,924,164,135,804,590,882,816
  5. Step 5: Solve for x
    x = 588,924,164,135,804,590,882,816/855,597,844,851.20
  6. Step 6: Final answer
    x = 688,318,896,172.80

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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.