Home / 983,189,074.42-1,356,801,467.07-531,067,039.67

Finding the Fourth Proportional to 983,189,074.42, 1,356,801,467.07 and 531,067,039.67

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Solution

The fourth proportional to 983,189,074.42, 1,356,801,467.07 and 531,067,039.67 is: 732,872,808.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,189,074.42 : 1,356,801,467.07 = 531,067,039.67 : x
  2. Step 2: Convert to fraction form
    983,189,074.42/1,356,801,467.07 = 531,067,039.67/x
  3. Step 3: Cross multiply
    983,189,074.42x = 1,356,801,467.07 × 531,067,039.67
  4. Step 4: Simplify right side
    983,189,074.42x = 720,552,538,529,993,856
  5. Step 5: Solve for x
    x = 720,552,538,529,993,856/983,189,074.42
  6. Step 6: Final answer
    x = 732,872,808.78

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Double scale
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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.