Home / 888,014,062.74-1,331,562,128.61-389,820,672.66

Finding the Fourth Proportional to 888,014,062.74, 1,331,562,128.61 and 389,820,672.66

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Solution

The fourth proportional to 888,014,062.74, 1,331,562,128.61 and 389,820,672.66 is: 584,529,532.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,014,062.74 : 1,331,562,128.61 = 389,820,672.66 : x
  2. Step 2: Convert to fraction form
    888,014,062.74/1,331,562,128.61 = 389,820,672.66/x
  3. Step 3: Cross multiply
    888,014,062.74x = 1,331,562,128.61 × 389,820,672.66
  4. Step 4: Simplify right side
    888,014,062.74x = 519,070,444,663,331,648
  5. Step 5: Solve for x
    x = 519,070,444,663,331,648/888,014,062.74
  6. Step 6: Final answer
    x = 584,529,532.18

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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.