Home / 901,378,061,556.48-1,243,931,556,313.70-495,399,992,958.72

Finding the Fourth Proportional to 901,378,061,556.48, 1,243,931,556,313.70 and 495,399,992,958.72

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Solution

The fourth proportional to 901,378,061,556.48, 1,243,931,556,313.70 and 495,399,992,958.72 is: 683,668,385,688.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,378,061,556.48 : 1,243,931,556,313.70 = 495,399,992,958.72 : x
  2. Step 2: Convert to fraction form
    901,378,061,556.48/1,243,931,556,313.70 = 495,399,992,958.72/x
  3. Step 3: Cross multiply
    901,378,061,556.48x = 1,243,931,556,313.70 × 495,399,992,958.72
  4. Step 4: Simplify right side
    901,378,061,556.48x = 616,243,684,238,936,558,796,800
  5. Step 5: Solve for x
    x = 616,243,684,238,936,558,796,800/901,378,061,556.48
  6. Step 6: Final answer
    x = 683,668,385,688.04

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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.