Home / 1,206,109,056.30-1,809,163,584.45-516,086,061.90

Finding the Fourth Proportional to 1,206,109,056.30, 1,809,163,584.45 and 516,086,061.90

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Solution

The fourth proportional to 1,206,109,056.30, 1,809,163,584.45 and 516,086,061.90 is: 774,129,092.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,109,056.30 : 1,809,163,584.45 = 516,086,061.90 : x
  2. Step 2: Convert to fraction form
    1,206,109,056.30/1,809,163,584.45 = 516,086,061.90/x
  3. Step 3: Cross multiply
    1,206,109,056.30x = 1,809,163,584.45 × 516,086,061.90
  4. Step 4: Simplify right side
    1,206,109,056.30x = 933,684,109,631,688,576
  5. Step 5: Solve for x
    x = 933,684,109,631,688,576/1,206,109,056.30
  6. Step 6: Final answer
    x = 774,129,092.85

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Double scale
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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.