Home / 1,040,069,674.20-1,560,104,511.30-349,747,498.20

Finding the Fourth Proportional to 1,040,069,674.20, 1,560,104,511.30 and 349,747,498.20

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Solution

The fourth proportional to 1,040,069,674.20, 1,560,104,511.30 and 349,747,498.20 is: 524,621,247.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,069,674.20 : 1,560,104,511.30 = 349,747,498.20 : x
  2. Step 2: Convert to fraction form
    1,040,069,674.20/1,560,104,511.30 = 349,747,498.20/x
  3. Step 3: Cross multiply
    1,040,069,674.20x = 1,560,104,511.30 × 349,747,498.20
  4. Step 4: Simplify right side
    1,040,069,674.20x = 545,642,649,757,708,608
  5. Step 5: Solve for x
    x = 545,642,649,757,708,608/1,040,069,674.20
  6. Step 6: Final answer
    x = 524,621,247.30

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Half scale
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Double scale
Find fourth proportional to 1,040,069,675.20, 1,560,104,512.80 and 349,747,499.20
Similar ratio
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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.