Home / 901,378,061,558.48-1,243,931,556,316.50-495,399,992,960.72

Finding the Fourth Proportional to 901,378,061,558.48, 1,243,931,556,316.50 and 495,399,992,960.72

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Solution

The fourth proportional to 901,378,061,558.48, 1,243,931,556,316.50 and 495,399,992,960.72 is: 683,668,385,690.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,378,061,558.48 : 1,243,931,556,316.50 = 495,399,992,960.72 : x
  2. Step 2: Convert to fraction form
    901,378,061,558.48/1,243,931,556,316.50 = 495,399,992,960.72/x
  3. Step 3: Cross multiply
    901,378,061,558.48x = 1,243,931,556,316.50 × 495,399,992,960.72
  4. Step 4: Simplify right side
    901,378,061,558.48x = 616,243,684,242,811,558,821,888
  5. Step 5: Solve for x
    x = 616,243,684,242,811,558,821,888/901,378,061,558.48
  6. Step 6: Final answer
    x = 683,668,385,690.83

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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.