Home / 2,795,047,148.80-4,192,570,723.20-856,098,438.40

Finding the Fourth Proportional to 2,795,047,148.80, 4,192,570,723.20 and 856,098,438.40

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Solution

The fourth proportional to 2,795,047,148.80, 4,192,570,723.20 and 856,098,438.40 is: 1,284,147,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795,047,148.80 : 4,192,570,723.20 = 856,098,438.40 : x
  2. Step 2: Convert to fraction form
    2,795,047,148.80/4,192,570,723.20 = 856,098,438.40/x
  3. Step 3: Cross multiply
    2,795,047,148.80x = 4,192,570,723.20 × 856,098,438.40
  4. Step 4: Simplify right side
    2,795,047,148.80x = 3,589,253,249,013,078,528
  5. Step 5: Solve for x
    x = 3,589,253,249,013,078,528/2,795,047,148.80
  6. Step 6: Final answer
    x = 1,284,147,657.60

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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.