Home / 989,298,646,294.90-1,483,098,074,258.50-343,820,412,078.68

Finding the Fourth Proportional to 989,298,646,294.90, 1,483,098,074,258.50 and 343,820,412,078.68

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Solution

The fourth proportional to 989,298,646,294.90, 1,483,098,074,258.50 and 343,820,412,078.68 is: 515,435,245,923.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,298,646,294.90 : 1,483,098,074,258.50 = 343,820,412,078.68 : x
  2. Step 2: Convert to fraction form
    989,298,646,294.90/1,483,098,074,258.50 = 343,820,412,078.68/x
  3. Step 3: Cross multiply
    989,298,646,294.90x = 1,483,098,074,258.50 × 343,820,412,078.68
  4. Step 4: Simplify right side
    989,298,646,294.90x = 509,919,391,044,654,182,957,056
  5. Step 5: Solve for x
    x = 509,919,391,044,654,182,957,056/989,298,646,294.90
  6. Step 6: Final answer
    x = 515,435,245,923.36

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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.