Home / 1,010,656,983.30-1,515,985,474.95-617,815,796.10

Finding the Fourth Proportional to 1,010,656,983.30, 1,515,985,474.95 and 617,815,796.10

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Solution

The fourth proportional to 1,010,656,983.30, 1,515,985,474.95 and 617,815,796.10 is: 926,723,694.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,656,983.30 : 1,515,985,474.95 = 617,815,796.10 : x
  2. Step 2: Convert to fraction form
    1,010,656,983.30/1,515,985,474.95 = 617,815,796.10/x
  3. Step 3: Cross multiply
    1,010,656,983.30x = 1,515,985,474.95 × 617,815,796.10
  4. Step 4: Simplify right side
    1,010,656,983.30x = 936,599,773,082,270,976
  5. Step 5: Solve for x
    x = 936,599,773,082,270,976/1,010,656,983.30
  6. Step 6: Final answer
    x = 926,723,694.15

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Half scale
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Double scale
Find fourth proportional to 1,010,656,984.30, 1,515,985,476.45 and 617,815,797.10
Similar ratio
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1.5x scale

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.