Home / 2,220,931,520.84-3,311,541,566.42-2,159,912,793.82

Finding the Fourth Proportional to 2,220,931,520.84, 3,311,541,566.42 and 2,159,912,793.82

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Solution

The fourth proportional to 2,220,931,520.84, 3,311,541,566.42 and 2,159,912,793.82 is: 3,220,558,999.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,931,520.84 : 3,311,541,566.42 = 2,159,912,793.82 : x
  2. Step 2: Convert to fraction form
    2,220,931,520.84/3,311,541,566.42 = 2,159,912,793.82/x
  3. Step 3: Cross multiply
    2,220,931,520.84x = 3,311,541,566.42 × 2,159,912,793.82
  4. Step 4: Simplify right side
    2,220,931,520.84x = 7,152,640,996,577,282,048
  5. Step 5: Solve for x
    x = 7,152,640,996,577,282,048/2,220,931,520.84
  6. Step 6: Final answer
    x = 3,220,558,999.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.