Home / 340,331,540.40-510,497,310.60-98,018,938.80

Finding the Fourth Proportional to 340,331,540.40, 510,497,310.60 and 98,018,938.80

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Solution

The fourth proportional to 340,331,540.40, 510,497,310.60 and 98,018,938.80 is: 147,028,408.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,331,540.40 : 510,497,310.60 = 98,018,938.80 : x
  2. Step 2: Convert to fraction form
    340,331,540.40/510,497,310.60 = 98,018,938.80/x
  3. Step 3: Cross multiply
    340,331,540.40x = 510,497,310.60 × 98,018,938.80
  4. Step 4: Simplify right side
    340,331,540.40x = 50,038,404,645,265,992
  5. Step 5: Solve for x
    x = 50,038,404,645,265,992/340,331,540.40
  6. Step 6: Final answer
    x = 147,028,408.20

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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.