Home / 888,014,055.22-1,331,562,117.39-389,820,665.14

Finding the Fourth Proportional to 888,014,055.22, 1,331,562,117.39 and 389,820,665.14

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Solution

The fourth proportional to 888,014,055.22, 1,331,562,117.39 and 389,820,665.14 is: 584,529,520.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,014,055.22 : 1,331,562,117.39 = 389,820,665.14 : x
  2. Step 2: Convert to fraction form
    888,014,055.22/1,331,562,117.39 = 389,820,665.14/x
  3. Step 3: Cross multiply
    888,014,055.22x = 1,331,562,117.39 × 389,820,665.14
  4. Step 4: Simplify right side
    888,014,055.22x = 519,070,430,271,425,344
  5. Step 5: Solve for x
    x = 519,070,430,271,425,344/888,014,055.22
  6. Step 6: Final answer
    x = 584,529,520.93

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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.