Home / 612,222,948,204.80-918,334,422,307.20-550,511,168,979.20

Finding the Fourth Proportional to 612,222,948,204.80, 918,334,422,307.20 and 550,511,168,979.20

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Solution

The fourth proportional to 612,222,948,204.80, 918,334,422,307.20 and 550,511,168,979.20 is: 825,766,753,468.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,222,948,204.80 : 918,334,422,307.20 = 550,511,168,979.20 : x
  2. Step 2: Convert to fraction form
    612,222,948,204.80/918,334,422,307.20 = 550,511,168,979.20/x
  3. Step 3: Cross multiply
    612,222,948,204.80x = 918,334,422,307.20 × 550,511,168,979.20
  4. Step 4: Simplify right side
    612,222,948,204.80x = 505,553,356,338,174,908,956,672
  5. Step 5: Solve for x
    x = 505,553,356,338,174,908,956,672/612,222,948,204.80
  6. Step 6: Final answer
    x = 825,766,753,468.80

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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.