Home / 613,347,899,453.40-920,040,592,150.80-210,425,717,862.34

Finding the Fourth Proportional to 613,347,899,453.40, 920,040,592,150.80 and 210,425,717,862.34

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Solution

The fourth proportional to 613,347,899,453.40, 920,040,592,150.80 and 210,425,717,862.34 is: 315,645,007,080.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,347,899,453.40 : 920,040,592,150.80 = 210,425,717,862.34 : x
  2. Step 2: Convert to fraction form
    613,347,899,453.40/920,040,592,150.80 = 210,425,717,862.34/x
  3. Step 3: Cross multiply
    613,347,899,453.40x = 920,040,592,150.80 × 210,425,717,862.34
  4. Step 4: Simplify right side
    613,347,899,453.40x = 193,600,202,065,824,473,677,824
  5. Step 5: Solve for x
    x = 193,600,202,065,824,473,677,824/613,347,899,453.40
  6. Step 6: Final answer
    x = 315,645,007,080.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.