Home / 773,149,950.96-1,066,947,106.32-425,469,438.96

Finding the Fourth Proportional to 773,149,950.96, 1,066,947,106.32 and 425,469,438.96

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Solution

The fourth proportional to 773,149,950.96, 1,066,947,106.32 and 425,469,438.96 is: 587,147,921.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,149,950.96 : 1,066,947,106.32 = 425,469,438.96 : x
  2. Step 2: Convert to fraction form
    773,149,950.96/1,066,947,106.32 = 425,469,438.96/x
  3. Step 3: Cross multiply
    773,149,950.96x = 1,066,947,106.32 × 425,469,438.96
  4. Step 4: Simplify right side
    773,149,950.96x = 453,953,386,725,965,888
  5. Step 5: Solve for x
    x = 453,953,386,725,965,888/773,149,950.96
  6. Step 6: Final answer
    x = 587,147,921.52

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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.