Home / 1,254,686,713.20-1,882,030,069.80-436,527,097.20

Finding the Fourth Proportional to 1,254,686,713.20, 1,882,030,069.80 and 436,527,097.20

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Solution

The fourth proportional to 1,254,686,713.20, 1,882,030,069.80 and 436,527,097.20 is: 654,790,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,686,713.20 : 1,882,030,069.80 = 436,527,097.20 : x
  2. Step 2: Convert to fraction form
    1,254,686,713.20/1,882,030,069.80 = 436,527,097.20/x
  3. Step 3: Cross multiply
    1,254,686,713.20x = 1,882,030,069.80 × 436,527,097.20
  4. Step 4: Simplify right side
    1,254,686,713.20x = 821,557,123,212,907,392
  5. Step 5: Solve for x
    x = 821,557,123,212,907,392/1,254,686,713.20
  6. Step 6: Final answer
    x = 654,790,645.80

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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.