Home / 727,668,002.20-1,091,502,003.30-210,150,756.40

Finding the Fourth Proportional to 727,668,002.20, 1,091,502,003.30 and 210,150,756.40

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Solution

The fourth proportional to 727,668,002.20, 1,091,502,003.30 and 210,150,756.40 is: 315,226,134.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,668,002.20 : 1,091,502,003.30 = 210,150,756.40 : x
  2. Step 2: Convert to fraction form
    727,668,002.20/1,091,502,003.30 = 210,150,756.40/x
  3. Step 3: Cross multiply
    727,668,002.20x = 1,091,502,003.30 × 210,150,756.40
  4. Step 4: Simplify right side
    727,668,002.20x = 229,379,971,605,610,304
  5. Step 5: Solve for x
    x = 229,379,971,605,610,304/727,668,002.20
  6. Step 6: Final answer
    x = 315,226,134.60

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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.