Home / 1,990,656,003.80-2,985,984,005.70-1,845,537,181.40

Finding the Fourth Proportional to 1,990,656,003.80, 2,985,984,005.70 and 1,845,537,181.40

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Solution

The fourth proportional to 1,990,656,003.80, 2,985,984,005.70 and 1,845,537,181.40 is: 2,768,305,772.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,656,003.80 : 2,985,984,005.70 = 1,845,537,181.40 : x
  2. Step 2: Convert to fraction form
    1,990,656,003.80/2,985,984,005.70 = 1,845,537,181.40/x
  3. Step 3: Cross multiply
    1,990,656,003.80x = 2,985,984,005.70 × 1,845,537,181.40
  4. Step 4: Simplify right side
    1,990,656,003.80x = 5,510,744,505,585,059,840
  5. Step 5: Solve for x
    x = 5,510,744,505,585,059,840/1,990,656,003.80
  6. Step 6: Final answer
    x = 2,768,305,772.10

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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.