Home / 1,441,596,674.38-1,989,480,654.06-806,479,279.12

Finding the Fourth Proportional to 1,441,596,674.38, 1,989,480,654.06 and 806,479,279.12

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Solution

The fourth proportional to 1,441,596,674.38, 1,989,480,654.06 and 806,479,279.12 is: 1,112,984,617.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,596,674.38 : 1,989,480,654.06 = 806,479,279.12 : x
  2. Step 2: Convert to fraction form
    1,441,596,674.38/1,989,480,654.06 = 806,479,279.12/x
  3. Step 3: Cross multiply
    1,441,596,674.38x = 1,989,480,654.06 × 806,479,279.12
  4. Step 4: Simplify right side
    1,441,596,674.38x = 1,604,474,923,709,494,784
  5. Step 5: Solve for x
    x = 1,604,474,923,709,494,784/1,441,596,674.38
  6. Step 6: Final answer
    x = 1,112,984,617.84

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Half scale
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Double scale
Find fourth proportional to 1,441,596,675.38, 1,989,480,655.44 and 806,479,280.12
Similar ratio
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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.