Home / 1,990,657,271.20-2,985,985,906.80-1,910,035,703.20

Finding the Fourth Proportional to 1,990,657,271.20, 2,985,985,906.80 and 1,910,035,703.20

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Solution

The fourth proportional to 1,990,657,271.20, 2,985,985,906.80 and 1,910,035,703.20 is: 2,865,053,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,657,271.20 : 2,985,985,906.80 = 1,910,035,703.20 : x
  2. Step 2: Convert to fraction form
    1,990,657,271.20/2,985,985,906.80 = 1,910,035,703.20/x
  3. Step 3: Cross multiply
    1,990,657,271.20x = 2,985,985,906.80 × 1,910,035,703.20
  4. Step 4: Simplify right side
    1,990,657,271.20x = 5,703,339,691,240,028,160
  5. Step 5: Solve for x
    x = 5,703,339,691,240,028,160/1,990,657,271.20
  6. Step 6: Final answer
    x = 2,865,053,554.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.