Home / 1,993,819,470.40-2,990,729,205.60-1,340,784,769.60

Finding the Fourth Proportional to 1,993,819,470.40, 2,990,729,205.60 and 1,340,784,769.60

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Solution

The fourth proportional to 1,993,819,470.40, 2,990,729,205.60 and 1,340,784,769.60 is: 2,011,177,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,819,470.40 : 2,990,729,205.60 = 1,340,784,769.60 : x
  2. Step 2: Convert to fraction form
    1,993,819,470.40/2,990,729,205.60 = 1,340,784,769.60/x
  3. Step 3: Cross multiply
    1,993,819,470.40x = 2,990,729,205.60 × 1,340,784,769.60
  4. Step 4: Simplify right side
    1,993,819,470.40x = 4,009,924,168,866,386,432
  5. Step 5: Solve for x
    x = 4,009,924,168,866,386,432/1,993,819,470.40
  6. Step 6: Final answer
    x = 2,011,177,154.40

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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.