Home / 2,987,195,002.65-4,478,583,521.68-1,806,512,995.98

Finding the Fourth Proportional to 2,987,195,002.65, 4,478,583,521.68 and 1,806,512,995.98

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Solution

The fourth proportional to 2,987,195,002.65, 4,478,583,521.68 and 1,806,512,995.98 is: 2,708,433,606.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,195,002.65 : 4,478,583,521.68 = 1,806,512,995.98 : x
  2. Step 2: Convert to fraction form
    2,987,195,002.65/4,478,583,521.68 = 1,806,512,995.98/x
  3. Step 3: Cross multiply
    2,987,195,002.65x = 4,478,583,521.68 × 1,806,512,995.98
  4. Step 4: Simplify right side
    2,987,195,002.65x = 8,090,619,335,492,099,072
  5. Step 5: Solve for x
    x = 8,090,619,335,492,099,072/2,987,195,002.65
  6. Step 6: Final answer
    x = 2,708,433,606.88

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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.