Home / 901,378,061,606.48-1,243,931,556,383-495,399,993,008.72

Finding the Fourth Proportional to 901,378,061,606.48, 1,243,931,556,383 and 495,399,993,008.72

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Solution

The fourth proportional to 901,378,061,606.48, 1,243,931,556,383 and 495,399,993,008.72 is: 683,668,385,757.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,378,061,606.48 : 1,243,931,556,383 = 495,399,993,008.72 : x
  2. Step 2: Convert to fraction form
    901,378,061,606.48/1,243,931,556,383 = 495,399,993,008.72/x
  3. Step 3: Cross multiply
    901,378,061,606.48x = 1,243,931,556,383 × 495,399,993,008.72
  4. Step 4: Simplify right side
    901,378,061,606.48x = 616,243,684,335,464,338,161,664
  5. Step 5: Solve for x
    x = 616,243,684,335,464,338,161,664/901,378,061,606.48
  6. Step 6: Final answer
    x = 683,668,385,757.21

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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.