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Finding the Fourth Proportional to 1,069,987,233.80, 1,604,980,850.70 and 943,716,852.20

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Solution

The fourth proportional to 1,069,987,233.80, 1,604,980,850.70 and 943,716,852.20 is: 1,415,575,278.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,987,233.80 : 1,604,980,850.70 = 943,716,852.20 : x
  2. Step 2: Convert to fraction form
    1,069,987,233.80/1,604,980,850.70 = 943,716,852.20/x
  3. Step 3: Cross multiply
    1,069,987,233.80x = 1,604,980,850.70 × 943,716,852.20
  4. Step 4: Simplify right side
    1,069,987,233.80x = 1,514,647,476,263,882,240
  5. Step 5: Solve for x
    x = 1,514,647,476,263,882,240/1,069,987,233.80
  6. Step 6: Final answer
    x = 1,415,575,278.30

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Double scale
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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.