Home / 680,238,052.20-1,020,357,078.30-220,506,157.80

Finding the Fourth Proportional to 680,238,052.20, 1,020,357,078.30 and 220,506,157.80

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Solution

The fourth proportional to 680,238,052.20, 1,020,357,078.30 and 220,506,157.80 is: 330,759,236.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,238,052.20 : 1,020,357,078.30 = 220,506,157.80 : x
  2. Step 2: Convert to fraction form
    680,238,052.20/1,020,357,078.30 = 220,506,157.80/x
  3. Step 3: Cross multiply
    680,238,052.20x = 1,020,357,078.30 × 220,506,157.80
  4. Step 4: Simplify right side
    680,238,052.20x = 224,995,018,919,966,752
  5. Step 5: Solve for x
    x = 224,995,018,919,966,752/680,238,052.20
  6. Step 6: Final answer
    x = 330,759,236.70

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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.