Home / 620,909,986.05-932,010,975.43-457,332,446.25

Finding the Fourth Proportional to 620,909,986.05, 932,010,975.43 and 457,332,446.25

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Solution

The fourth proportional to 620,909,986.05, 932,010,975.43 and 457,332,446.25 is: 686,474,479.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,909,986.05 : 932,010,975.43 = 457,332,446.25 : x
  2. Step 2: Convert to fraction form
    620,909,986.05/932,010,975.43 = 457,332,446.25/x
  3. Step 3: Cross multiply
    620,909,986.05x = 932,010,975.43 × 457,332,446.25
  4. Step 4: Simplify right side
    620,909,986.05x = 426,238,859,324,107,200
  5. Step 5: Solve for x
    x = 426,238,859,324,107,200/620,909,986.05
  6. Step 6: Final answer
    x = 686,474,479.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.