Home / 863,154,912.59-1,191,151,538.94-481,672,947.68

Finding the Fourth Proportional to 863,154,912.59, 1,191,151,538.94 and 481,672,947.68

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Solution

The fourth proportional to 863,154,912.59, 1,191,151,538.94 and 481,672,947.68 is: 664,707,417.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,154,912.59 : 1,191,151,538.94 = 481,672,947.68 : x
  2. Step 2: Convert to fraction form
    863,154,912.59/1,191,151,538.94 = 481,672,947.68/x
  3. Step 3: Cross multiply
    863,154,912.59x = 1,191,151,538.94 × 481,672,947.68
  4. Step 4: Simplify right side
    863,154,912.59x = 573,745,472,893,602,432
  5. Step 5: Solve for x
    x = 573,745,472,893,602,432/863,154,912.59
  6. Step 6: Final answer
    x = 664,707,417.55

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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.