Home / 1,861,779,968.40-2,792,669,952.60-825,540,877.20

Finding the Fourth Proportional to 1,861,779,968.40, 2,792,669,952.60 and 825,540,877.20

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Solution

The fourth proportional to 1,861,779,968.40, 2,792,669,952.60 and 825,540,877.20 is: 1,238,311,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,779,968.40 : 2,792,669,952.60 = 825,540,877.20 : x
  2. Step 2: Convert to fraction form
    1,861,779,968.40/2,792,669,952.60 = 825,540,877.20/x
  3. Step 3: Cross multiply
    1,861,779,968.40x = 2,792,669,952.60 × 825,540,877.20
  4. Step 4: Simplify right side
    1,861,779,968.40x = 2,305,463,202,399,486,464
  5. Step 5: Solve for x
    x = 2,305,463,202,399,486,464/1,861,779,968.40
  6. Step 6: Final answer
    x = 1,238,311,315.80

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1.5x scale

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.