Home / 820,865,968.83-1,132,796,129.40-444,523,206.15

Finding the Fourth Proportional to 820,865,968.83, 1,132,796,129.40 and 444,523,206.15

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Solution

The fourth proportional to 820,865,968.83, 1,132,796,129.40 and 444,523,206.15 is: 613,442,616.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,865,968.83 : 1,132,796,129.40 = 444,523,206.15 : x
  2. Step 2: Convert to fraction form
    820,865,968.83/1,132,796,129.40 = 444,523,206.15/x
  3. Step 3: Cross multiply
    820,865,968.83x = 1,132,796,129.40 × 444,523,206.15
  4. Step 4: Simplify right side
    820,865,968.83x = 503,554,167,355,198,272
  5. Step 5: Solve for x
    x = 503,554,167,355,198,272/820,865,968.83
  6. Step 6: Final answer
    x = 613,442,616.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.