Home / 339,989,788.60-509,984,682.90-266,013,201.40

Finding the Fourth Proportional to 339,989,788.60, 509,984,682.90 and 266,013,201.40

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Solution

The fourth proportional to 339,989,788.60, 509,984,682.90 and 266,013,201.40 is: 399,019,802.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,989,788.60 : 509,984,682.90 = 266,013,201.40 : x
  2. Step 2: Convert to fraction form
    339,989,788.60/509,984,682.90 = 266,013,201.40/x
  3. Step 3: Cross multiply
    339,989,788.60x = 509,984,682.90 × 266,013,201.40
  4. Step 4: Simplify right side
    339,989,788.60x = 135,662,658,163,192,832
  5. Step 5: Solve for x
    x = 135,662,658,163,192,832/339,989,788.60
  6. Step 6: Final answer
    x = 399,019,802.10

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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.