Home / 1,990,656,137.60-2,985,984,206.40-1,474,678,102.40

Finding the Fourth Proportional to 1,990,656,137.60, 2,985,984,206.40 and 1,474,678,102.40

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Solution

The fourth proportional to 1,990,656,137.60, 2,985,984,206.40 and 1,474,678,102.40 is: 2,212,017,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,656,137.60 : 2,985,984,206.40 = 1,474,678,102.40 : x
  2. Step 2: Convert to fraction form
    1,990,656,137.60/2,985,984,206.40 = 1,474,678,102.40/x
  3. Step 3: Cross multiply
    1,990,656,137.60x = 2,985,984,206.40 × 1,474,678,102.40
  4. Step 4: Simplify right side
    1,990,656,137.60x = 4,403,365,523,290,322,432
  5. Step 5: Solve for x
    x = 4,403,365,523,290,322,432/1,990,656,137.60
  6. Step 6: Final answer
    x = 2,212,017,153.60

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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.