Home / 820,865,513.58-1,132,795,500.84-444,522,750.18

Finding the Fourth Proportional to 820,865,513.58, 1,132,795,500.84 and 444,522,750.18

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Solution

The fourth proportional to 820,865,513.58, 1,132,795,500.84 and 444,522,750.18 is: 613,441,986.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,865,513.58 : 1,132,795,500.84 = 444,522,750.18 : x
  2. Step 2: Convert to fraction form
    820,865,513.58/1,132,795,500.84 = 444,522,750.18/x
  3. Step 3: Cross multiply
    820,865,513.58x = 1,132,795,500.84 × 444,522,750.18
  4. Step 4: Simplify right side
    820,865,513.58x = 503,553,371,424,927,296
  5. Step 5: Solve for x
    x = 503,553,371,424,927,296/820,865,513.58
  6. Step 6: Final answer
    x = 613,441,986.65

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1.5x scale

Why These Related Problems?

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