Home / 1,009,750,067.40-1,514,625,101.10-900,910,950.60

Finding the Fourth Proportional to 1,009,750,067.40, 1,514,625,101.10 and 900,910,950.60

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Solution

The fourth proportional to 1,009,750,067.40, 1,514,625,101.10 and 900,910,950.60 is: 1,351,366,425.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,750,067.40 : 1,514,625,101.10 = 900,910,950.60 : x
  2. Step 2: Convert to fraction form
    1,009,750,067.40/1,514,625,101.10 = 900,910,950.60/x
  3. Step 3: Cross multiply
    1,009,750,067.40x = 1,514,625,101.10 × 900,910,950.60
  4. Step 4: Simplify right side
    1,009,750,067.40x = 1,364,542,339,634,621,952
  5. Step 5: Solve for x
    x = 1,364,542,339,634,621,952/1,009,750,067.40
  6. Step 6: Final answer
    x = 1,351,366,425.90

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Double scale
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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.