Home / 947,438,777.56-1,307,377,770.07-524,043,326.56

Finding the Fourth Proportional to 947,438,777.56, 1,307,377,770.07 and 524,043,326.56

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Solution

The fourth proportional to 947,438,777.56, 1,307,377,770.07 and 524,043,326.56 is: 723,131,258.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,438,777.56 : 1,307,377,770.07 = 524,043,326.56 : x
  2. Step 2: Convert to fraction form
    947,438,777.56/1,307,377,770.07 = 524,043,326.56/x
  3. Step 3: Cross multiply
    947,438,777.56x = 1,307,377,770.07 × 524,043,326.56
  4. Step 4: Simplify right side
    947,438,777.56x = 685,122,595,698,077,568
  5. Step 5: Solve for x
    x = 685,122,595,698,077,568/947,438,777.56
  6. Step 6: Final answer
    x = 723,131,258.64

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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.