Home / 276,690,697,214.40-415,036,045,821.60-220,902,146,798.40

Finding the Fourth Proportional to 276,690,697,214.40, 415,036,045,821.60 and 220,902,146,798.40

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Solution

The fourth proportional to 276,690,697,214.40, 415,036,045,821.60 and 220,902,146,798.40 is: 331,353,220,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,690,697,214.40 : 415,036,045,821.60 = 220,902,146,798.40 : x
  2. Step 2: Convert to fraction form
    276,690,697,214.40/415,036,045,821.60 = 220,902,146,798.40/x
  3. Step 3: Cross multiply
    276,690,697,214.40x = 415,036,045,821.60 × 220,902,146,798.40
  4. Step 4: Simplify right side
    276,690,697,214.40x = 91,682,353,520,710,543,998,976
  5. Step 5: Solve for x
    x = 91,682,353,520,710,543,998,976/276,690,697,214.40
  6. Step 6: Final answer
    x = 331,353,220,197.60

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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.