Home / 864,443,824.51-1,192,932,862.97-467,966,801.25

Finding the Fourth Proportional to 864,443,824.51, 1,192,932,862.97 and 467,966,801.25

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Solution

The fourth proportional to 864,443,824.51, 1,192,932,862.97 and 467,966,801.25 is: 645,794,394.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,443,824.51 : 1,192,932,862.97 = 467,966,801.25 : x
  2. Step 2: Convert to fraction form
    864,443,824.51/1,192,932,862.97 = 467,966,801.25/x
  3. Step 3: Cross multiply
    864,443,824.51x = 1,192,932,862.97 × 467,966,801.25
  4. Step 4: Simplify right side
    864,443,824.51x = 558,252,975,990,075,520
  5. Step 5: Solve for x
    x = 558,252,975,990,075,520/864,443,824.51
  6. Step 6: Final answer
    x = 645,794,394.22

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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.