Home / 1,388,235,764.22-1,915,800,603.30-761,704,026.18

Finding the Fourth Proportional to 1,388,235,764.22, 1,915,800,603.30 and 761,704,026.18

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Solution

The fourth proportional to 1,388,235,764.22, 1,915,800,603.30 and 761,704,026.18 is: 1,051,170,896.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,235,764.22 : 1,915,800,603.30 = 761,704,026.18 : x
  2. Step 2: Convert to fraction form
    1,388,235,764.22/1,915,800,603.30 = 761,704,026.18/x
  3. Step 3: Cross multiply
    1,388,235,764.22x = 1,915,800,603.30 × 761,704,026.18
  4. Step 4: Simplify right side
    1,388,235,764.22x = 1,459,273,032,891,682,816
  5. Step 5: Solve for x
    x = 1,459,273,032,891,682,816/1,388,235,764.22
  6. Step 6: Final answer
    x = 1,051,170,896.55

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Double scale
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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.