Home / 1,174,560,951.95-1,620,435,358.26-672,501,414.86

Finding the Fourth Proportional to 1,174,560,951.95, 1,620,435,358.26 and 672,501,414.86

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Solution

The fourth proportional to 1,174,560,951.95, 1,620,435,358.26 and 672,501,414.86 is: 927,789,289.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,560,951.95 : 1,620,435,358.26 = 672,501,414.86 : x
  2. Step 2: Convert to fraction form
    1,174,560,951.95/1,620,435,358.26 = 672,501,414.86/x
  3. Step 3: Cross multiply
    1,174,560,951.95x = 1,620,435,358.26 × 672,501,414.86
  4. Step 4: Simplify right side
    1,174,560,951.95x = 1,089,745,071,110,918,784
  5. Step 5: Solve for x
    x = 1,089,745,071,110,918,784/1,174,560,951.95
  6. Step 6: Final answer
    x = 927,789,289.53

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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.