Home / 1,990,656,132.60-2,985,984,198.90-1,474,678,097.40

Finding the Fourth Proportional to 1,990,656,132.60, 2,985,984,198.90 and 1,474,678,097.40

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Solution

The fourth proportional to 1,990,656,132.60, 2,985,984,198.90 and 1,474,678,097.40 is: 2,212,017,146.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,656,132.60 : 2,985,984,198.90 = 1,474,678,097.40 : x
  2. Step 2: Convert to fraction form
    1,990,656,132.60/2,985,984,198.90 = 1,474,678,097.40/x
  3. Step 3: Cross multiply
    1,990,656,132.60x = 2,985,984,198.90 × 1,474,678,097.40
  4. Step 4: Simplify right side
    1,990,656,132.60x = 4,403,365,497,300,315,648
  5. Step 5: Solve for x
    x = 4,403,365,497,300,315,648/1,990,656,132.60
  6. Step 6: Final answer
    x = 2,212,017,146.10

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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.