Home / 901,378,061,560.48-1,243,931,556,319.30-495,399,992,962.72

Finding the Fourth Proportional to 901,378,061,560.48, 1,243,931,556,319.30 and 495,399,992,962.72

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Solution

The fourth proportional to 901,378,061,560.48, 1,243,931,556,319.30 and 495,399,992,962.72 is: 683,668,385,693.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,378,061,560.48 : 1,243,931,556,319.30 = 495,399,992,962.72 : x
  2. Step 2: Convert to fraction form
    901,378,061,560.48/1,243,931,556,319.30 = 495,399,992,962.72/x
  3. Step 3: Cross multiply
    901,378,061,560.48x = 1,243,931,556,319.30 × 495,399,992,962.72
  4. Step 4: Simplify right side
    901,378,061,560.48x = 616,243,684,246,686,558,846,976
  5. Step 5: Solve for x
    x = 616,243,684,246,686,558,846,976/901,378,061,560.48
  6. Step 6: Final answer
    x = 683,668,385,693.61

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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.