Home / 1,990,532,164.50-2,746,935,568.80-1,110,465,868.50

Finding the Fourth Proportional to 1,990,532,164.50, 2,746,935,568.80 and 1,110,465,868.50

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Solution

The fourth proportional to 1,990,532,164.50, 2,746,935,568.80 and 1,110,465,868.50 is: 1,532,443,557.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,532,164.50 : 2,746,935,568.80 = 1,110,465,868.50 : x
  2. Step 2: Convert to fraction form
    1,990,532,164.50/2,746,935,568.80 = 1,110,465,868.50/x
  3. Step 3: Cross multiply
    1,990,532,164.50x = 2,746,935,568.80 × 1,110,465,868.50
  4. Step 4: Simplify right side
    1,990,532,164.50x = 3,050,378,192,121,033,728
  5. Step 5: Solve for x
    x = 3,050,378,192,121,033,728/1,990,532,164.50
  6. Step 6: Final answer
    x = 1,532,443,557.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.