Home / 1,466,658,148.65-2,200,956,439-690,525,768.21

Finding the Fourth Proportional to 1,466,658,148.65, 2,200,956,439 and 690,525,768.21

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Solution

The fourth proportional to 1,466,658,148.65, 2,200,956,439 and 690,525,768.21 is: 1,036,244,974.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,466,658,148.65 : 2,200,956,439 = 690,525,768.21 : x
  2. Step 2: Convert to fraction form
    1,466,658,148.65/2,200,956,439 = 690,525,768.21/x
  3. Step 3: Cross multiply
    1,466,658,148.65x = 2,200,956,439 × 690,525,768.21
  4. Step 4: Simplify right side
    1,466,658,148.65x = 1,519,817,135,837,221,120
  5. Step 5: Solve for x
    x = 1,519,817,135,837,221,120/1,466,658,148.65
  6. Step 6: Final answer
    x = 1,036,244,974.49

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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.