Home / 276,690,697,206.40-415,036,045,809.60-220,902,146,790.40

Finding the Fourth Proportional to 276,690,697,206.40, 415,036,045,809.60 and 220,902,146,790.40

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Solution

The fourth proportional to 276,690,697,206.40, 415,036,045,809.60 and 220,902,146,790.40 is: 331,353,220,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,690,697,206.40 : 415,036,045,809.60 = 220,902,146,790.40 : x
  2. Step 2: Convert to fraction form
    276,690,697,206.40/415,036,045,809.60 = 220,902,146,790.40/x
  3. Step 3: Cross multiply
    276,690,697,206.40x = 415,036,045,809.60 × 220,902,146,790.40
  4. Step 4: Simplify right side
    276,690,697,206.40x = 91,682,353,514,739,432,161,280
  5. Step 5: Solve for x
    x = 91,682,353,514,739,432,161,280/276,690,697,206.40
  6. Step 6: Final answer
    x = 331,353,220,185.60

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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.