Home / 735,650,866.05-1,015,444,198.70-438,386,324.64

Finding the Fourth Proportional to 735,650,866.05, 1,015,444,198.70 and 438,386,324.64

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Solution

The fourth proportional to 735,650,866.05, 1,015,444,198.70 and 438,386,324.64 is: 605,119,725.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,650,866.05 : 1,015,444,198.70 = 438,386,324.64 : x
  2. Step 2: Convert to fraction form
    735,650,866.05/1,015,444,198.70 = 438,386,324.64/x
  3. Step 3: Cross multiply
    735,650,866.05x = 1,015,444,198.70 × 438,386,324.64
  4. Step 4: Simplify right side
    735,650,866.05x = 445,156,850,145,102,848
  5. Step 5: Solve for x
    x = 445,156,850,145,102,848/735,650,866.05
  6. Step 6: Final answer
    x = 605,119,725.52

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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.