Home / 2,103,552,006.80-3,155,328,010.20-1,990,681,811.60

Finding the Fourth Proportional to 2,103,552,006.80, 3,155,328,010.20 and 1,990,681,811.60

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Solution

The fourth proportional to 2,103,552,006.80, 3,155,328,010.20 and 1,990,681,811.60 is: 2,986,022,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,552,006.80 : 3,155,328,010.20 = 1,990,681,811.60 : x
  2. Step 2: Convert to fraction form
    2,103,552,006.80/3,155,328,010.20 = 1,990,681,811.60/x
  3. Step 3: Cross multiply
    2,103,552,006.80x = 3,155,328,010.20 × 1,990,681,811.60
  4. Step 4: Simplify right side
    2,103,552,006.80x = 6,281,254,079,537,158,144
  5. Step 5: Solve for x
    x = 6,281,254,079,537,158,144/2,103,552,006.80
  6. Step 6: Final answer
    x = 2,986,022,717.40

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1.5x scale

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.