Home / 1,040,069,672.70-1,560,104,509.05-349,747,496.70

Finding the Fourth Proportional to 1,040,069,672.70, 1,560,104,509.05 and 349,747,496.70

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Solution

The fourth proportional to 1,040,069,672.70, 1,560,104,509.05 and 349,747,496.70 is: 524,621,245.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,069,672.70 : 1,560,104,509.05 = 349,747,496.70 : x
  2. Step 2: Convert to fraction form
    1,040,069,672.70/1,560,104,509.05 = 349,747,496.70/x
  3. Step 3: Cross multiply
    1,040,069,672.70x = 1,560,104,509.05 × 349,747,496.70
  4. Step 4: Simplify right side
    1,040,069,672.70x = 545,642,646,630,619,968
  5. Step 5: Solve for x
    x = 545,642,646,630,619,968/1,040,069,672.70
  6. Step 6: Final answer
    x = 524,621,245.05

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Double scale
Find fourth proportional to 1,040,069,673.70, 1,560,104,510.55 and 349,747,497.70
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.