Home / 472,735,505.88-709,129,120.65-196,414,658.46

Finding the Fourth Proportional to 472,735,505.88, 709,129,120.65 and 196,414,658.46

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Solution

The fourth proportional to 472,735,505.88, 709,129,120.65 and 196,414,658.46 is: 294,632,732.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,735,505.88 : 709,129,120.65 = 196,414,658.46 : x
  2. Step 2: Convert to fraction form
    472,735,505.88/709,129,120.65 = 196,414,658.46/x
  3. Step 3: Cross multiply
    472,735,505.88x = 709,129,120.65 × 196,414,658.46
  4. Step 4: Simplify right side
    472,735,505.88x = 139,283,354,036,509,888
  5. Step 5: Solve for x
    x = 139,283,354,036,509,888/472,735,505.88
  6. Step 6: Final answer
    x = 294,632,732.90

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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.