Home / 772,140,685.56-1,051,299,016.10-769,689,040.33

Finding the Fourth Proportional to 772,140,685.56, 1,051,299,016.10 and 769,689,040.33

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Solution

The fourth proportional to 772,140,685.56, 1,051,299,016.10 and 769,689,040.33 is: 1,047,961,007.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,140,685.56 : 1,051,299,016.10 = 769,689,040.33 : x
  2. Step 2: Convert to fraction form
    772,140,685.56/1,051,299,016.10 = 769,689,040.33/x
  3. Step 3: Cross multiply
    772,140,685.56x = 1,051,299,016.10 × 769,689,040.33
  4. Step 4: Simplify right side
    772,140,685.56x = 809,173,330,802,185,344
  5. Step 5: Solve for x
    x = 809,173,330,802,185,344/772,140,685.56
  6. Step 6: Final answer
    x = 1,047,961,007.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.