Home / 876,669,601.60-1,315,004,402.40-550,152,251.20

Finding the Fourth Proportional to 876,669,601.60, 1,315,004,402.40 and 550,152,251.20

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Solution

The fourth proportional to 876,669,601.60, 1,315,004,402.40 and 550,152,251.20 is: 825,228,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,669,601.60 : 1,315,004,402.40 = 550,152,251.20 : x
  2. Step 2: Convert to fraction form
    876,669,601.60/1,315,004,402.40 = 550,152,251.20/x
  3. Step 3: Cross multiply
    876,669,601.60x = 1,315,004,402.40 × 550,152,251.20
  4. Step 4: Simplify right side
    876,669,601.60x = 723,452,632,318,270,848
  5. Step 5: Solve for x
    x = 723,452,632,318,270,848/876,669,601.60
  6. Step 6: Final answer
    x = 825,228,376.80

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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.