Home / 28,442,827,243.24-39,264,712,307.94-18,943,187,885.80

Finding the Fourth Proportional to 28,442,827,243.24, 39,264,712,307.94 and 18,943,187,885.80

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Solution

The fourth proportional to 28,442,827,243.24, 39,264,712,307.94 and 18,943,187,885.80 is: 26,150,664,143.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,442,827,243.24 : 39,264,712,307.94 = 18,943,187,885.80 : x
  2. Step 2: Convert to fraction form
    28,442,827,243.24/39,264,712,307.94 = 18,943,187,885.80/x
  3. Step 3: Cross multiply
    28,442,827,243.24x = 39,264,712,307.94 × 18,943,187,885.80
  4. Step 4: Simplify right side
    28,442,827,243.24x = 743,798,822,531,191,144,448
  5. Step 5: Solve for x
    x = 743,798,822,531,191,144,448/28,442,827,243.24
  6. Step 6: Final answer
    x = 26,150,664,143.56

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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.