Home / 664,805,644.20-997,208,466.30-511,750,636.20

Finding the Fourth Proportional to 664,805,644.20, 997,208,466.30 and 511,750,636.20

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Solution

The fourth proportional to 664,805,644.20, 997,208,466.30 and 511,750,636.20 is: 767,625,954.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,805,644.20 : 997,208,466.30 = 511,750,636.20 : x
  2. Step 2: Convert to fraction form
    664,805,644.20/997,208,466.30 = 511,750,636.20/x
  3. Step 3: Cross multiply
    664,805,644.20x = 997,208,466.30 × 511,750,636.20
  4. Step 4: Simplify right side
    664,805,644.20x = 510,322,067,053,051,200
  5. Step 5: Solve for x
    x = 510,322,067,053,051,200/664,805,644.20
  6. Step 6: Final answer
    x = 767,625,954.30

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Double scale
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Similar ratio
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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.