Home / 1,990,657,209.40-2,985,985,814.10-1,833,445,151.80

Finding the Fourth Proportional to 1,990,657,209.40, 2,985,985,814.10 and 1,833,445,151.80

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Solution

The fourth proportional to 1,990,657,209.40, 2,985,985,814.10 and 1,833,445,151.80 is: 2,750,167,727.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,657,209.40 : 2,985,985,814.10 = 1,833,445,151.80 : x
  2. Step 2: Convert to fraction form
    1,990,657,209.40/2,985,985,814.10 = 1,833,445,151.80/x
  3. Step 3: Cross multiply
    1,990,657,209.40x = 2,985,985,814.10 × 1,833,445,151.80
  4. Step 4: Simplify right side
    1,990,657,209.40x = 5,474,641,214,205,220,864
  5. Step 5: Solve for x
    x = 5,474,641,214,205,220,864/1,990,657,209.40
  6. Step 6: Final answer
    x = 2,750,167,727.70

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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.