Home / 901,378,061,604.48-1,243,931,556,380.20-495,399,993,006.72

Finding the Fourth Proportional to 901,378,061,604.48, 1,243,931,556,380.20 and 495,399,993,006.72

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Solution

The fourth proportional to 901,378,061,604.48, 1,243,931,556,380.20 and 495,399,993,006.72 is: 683,668,385,754.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,378,061,604.48 : 1,243,931,556,380.20 = 495,399,993,006.72 : x
  2. Step 2: Convert to fraction form
    901,378,061,604.48/1,243,931,556,380.20 = 495,399,993,006.72/x
  3. Step 3: Cross multiply
    901,378,061,604.48x = 1,243,931,556,380.20 × 495,399,993,006.72
  4. Step 4: Simplify right side
    901,378,061,604.48x = 616,243,684,331,589,338,136,576
  5. Step 5: Solve for x
    x = 616,243,684,331,589,338,136,576/901,378,061,604.48
  6. Step 6: Final answer
    x = 683,668,385,754.43

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Double scale
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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.