Home / 658,964,155.16-909,384,426.68-361,603,796.24

Finding the Fourth Proportional to 658,964,155.16, 909,384,426.68 and 361,603,796.24

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Solution

The fourth proportional to 658,964,155.16, 909,384,426.68 and 361,603,796.24 is: 499,020,862.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,964,155.16 : 909,384,426.68 = 361,603,796.24 : x
  2. Step 2: Convert to fraction form
    658,964,155.16/909,384,426.68 = 361,603,796.24/x
  3. Step 3: Cross multiply
    658,964,155.16x = 909,384,426.68 × 361,603,796.24
  4. Step 4: Simplify right side
    658,964,155.16x = 328,836,860,929,023,936
  5. Step 5: Solve for x
    x = 328,836,860,929,023,936/658,964,155.16
  6. Step 6: Final answer
    x = 499,020,862.29

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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.