Home / 845,792,893.28-1,167,099,525.73-469,465,344.81

Finding the Fourth Proportional to 845,792,893.28, 1,167,099,525.73 and 469,465,344.81

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Solution

The fourth proportional to 845,792,893.28, 1,167,099,525.73 and 469,465,344.81 is: 647,809,630.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,792,893.28 : 1,167,099,525.73 = 469,465,344.81 : x
  2. Step 2: Convert to fraction form
    845,792,893.28/1,167,099,525.73 = 469,465,344.81/x
  3. Step 3: Cross multiply
    845,792,893.28x = 1,167,099,525.73 × 469,465,344.81
  4. Step 4: Simplify right side
    845,792,893.28x = 547,912,781,276,494,784
  5. Step 5: Solve for x
    x = 547,912,781,276,494,784/845,792,893.28
  6. Step 6: Final answer
    x = 647,809,630.03

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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.