Home / 871,645,607.91-1,202,860,998.32-475,159,850.82

Finding the Fourth Proportional to 871,645,607.91, 1,202,860,998.32 and 475,159,850.82

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Solution

The fourth proportional to 871,645,607.91, 1,202,860,998.32 and 475,159,850.82 is: 655,715,175.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,645,607.91 : 1,202,860,998.32 = 475,159,850.82 : x
  2. Step 2: Convert to fraction form
    871,645,607.91/1,202,860,998.32 = 475,159,850.82/x
  3. Step 3: Cross multiply
    871,645,607.91x = 1,202,860,998.32 × 475,159,850.82
  4. Step 4: Simplify right side
    871,645,607.91x = 571,551,252,515,302,656
  5. Step 5: Solve for x
    x = 571,551,252,515,302,656/871,645,607.91
  6. Step 6: Final answer
    x = 655,715,175.22

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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.