Home / 1,990,656,001.90-2,985,984,002.85-1,821,350,709.10

Finding the Fourth Proportional to 1,990,656,001.90, 2,985,984,002.85 and 1,821,350,709.10

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Solution

The fourth proportional to 1,990,656,001.90, 2,985,984,002.85 and 1,821,350,709.10 is: 2,732,026,063.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,656,001.90 : 2,985,984,002.85 = 1,821,350,709.10 : x
  2. Step 2: Convert to fraction form
    1,990,656,001.90/2,985,984,002.85 = 1,821,350,709.10/x
  3. Step 3: Cross multiply
    1,990,656,001.90x = 2,985,984,002.85 × 1,821,350,709.10
  4. Step 4: Simplify right side
    1,990,656,001.90x = 5,438,524,080,952,103,936
  5. Step 5: Solve for x
    x = 5,438,524,080,952,103,936/1,990,656,001.90
  6. Step 6: Final answer
    x = 2,732,026,063.65

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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.