Home / 10,604,072,987.20-15,903,558,563.20-3,243,147,469.12

Finding the Fourth Proportional to 10,604,072,987.20, 15,903,558,563.20 and 3,243,147,469.12

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Solution

The fourth proportional to 10,604,072,987.20, 15,903,558,563.20 and 3,243,147,469.12 is: 4,863,941,031.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,604,072,987.20 : 15,903,558,563.20 = 3,243,147,469.12 : x
  2. Step 2: Convert to fraction form
    10,604,072,987.20/15,903,558,563.20 = 3,243,147,469.12/x
  3. Step 3: Cross multiply
    10,604,072,987.20x = 15,903,558,563.20 × 3,243,147,469.12
  4. Step 4: Simplify right side
    10,604,072,987.20x = 51,577,585,704,243,781,632
  5. Step 5: Solve for x
    x = 51,577,585,704,243,781,632/10,604,072,987.20
  6. Step 6: Final answer
    x = 4,863,941,031.57

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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.