Home / 1,311,747,240.24-1,810,211,275.08-717,034,077.72

Finding the Fourth Proportional to 1,311,747,240.24, 1,810,211,275.08 and 717,034,077.72

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Solution

The fourth proportional to 1,311,747,240.24, 1,810,211,275.08 and 717,034,077.72 is: 989,507,072.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,747,240.24 : 1,810,211,275.08 = 717,034,077.72 : x
  2. Step 2: Convert to fraction form
    1,311,747,240.24/1,810,211,275.08 = 717,034,077.72/x
  3. Step 3: Cross multiply
    1,311,747,240.24x = 1,810,211,275.08 × 717,034,077.72
  4. Step 4: Simplify right side
    1,311,747,240.24x = 1,297,983,172,105,332,992
  5. Step 5: Solve for x
    x = 1,297,983,172,105,332,992/1,311,747,240.24
  6. Step 6: Final answer
    x = 989,507,072.92

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Half scale
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Double scale
Find fourth proportional to 1,311,747,241.24, 1,810,211,276.46 and 717,034,078.72
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.