Home / 858,338,136,300.80-1,184,453,257,283.90-472,940,914,931.12

Finding the Fourth Proportional to 858,338,136,300.80, 1,184,453,257,283.90 and 472,940,914,931.12

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Solution

The fourth proportional to 858,338,136,300.80, 1,184,453,257,283.90 and 472,940,914,931.12 is: 652,629,055,499.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,338,136,300.80 : 1,184,453,257,283.90 = 472,940,914,931.12 : x
  2. Step 2: Convert to fraction form
    858,338,136,300.80/1,184,453,257,283.90 = 472,940,914,931.12/x
  3. Step 3: Cross multiply
    858,338,136,300.80x = 1,184,453,257,283.90 × 472,940,914,931.12
  4. Step 4: Simplify right side
    858,338,136,300.80x = 560,176,407,192,992,907,001,856
  5. Step 5: Solve for x
    x = 560,176,407,192,992,907,001,856/858,338,136,300.80
  6. Step 6: Final answer
    x = 652,629,055,499.27

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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.