Home / 495,433,535.87-743,133,472.76-126,972,106.13

Finding the Fourth Proportional to 495,433,535.87, 743,133,472.76 and 126,972,106.13

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Solution

The fourth proportional to 495,433,535.87, 743,133,472.76 and 126,972,106.13 is: 190,453,845.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,433,535.87 : 743,133,472.76 = 126,972,106.13 : x
  2. Step 2: Convert to fraction form
    495,433,535.87/743,133,472.76 = 126,972,106.13/x
  3. Step 3: Cross multiply
    495,433,535.87x = 743,133,472.76 × 126,972,106.13
  4. Step 4: Simplify right side
    495,433,535.87x = 94,357,222,167,687,648
  5. Step 5: Solve for x
    x = 94,357,222,167,687,648/495,433,535.87
  6. Step 6: Final answer
    x = 190,453,845.65

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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.