Home / 393,137,486,524.88-542,904,425,362.44-371,719,606,959.44

Finding the Fourth Proportional to 393,137,486,524.88, 542,904,425,362.44 and 371,719,606,959.44

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Solution

The fourth proportional to 393,137,486,524.88, 542,904,425,362.44 and 371,719,606,959.44 is: 513,327,338,474.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,137,486,524.88 : 542,904,425,362.44 = 371,719,606,959.44 : x
  2. Step 2: Convert to fraction form
    393,137,486,524.88/542,904,425,362.44 = 371,719,606,959.44/x
  3. Step 3: Cross multiply
    393,137,486,524.88x = 542,904,425,362.44 × 371,719,606,959.44
  4. Step 4: Simplify right side
    393,137,486,524.88x = 201,808,219,612,266,830,495,744
  5. Step 5: Solve for x
    x = 201,808,219,612,266,830,495,744/393,137,486,524.88
  6. Step 6: Final answer
    x = 513,327,338,474.23

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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.