Home / 509,012,451,645.54-763,597,130,116.23-173,548,924,425.06

Finding the Fourth Proportional to 509,012,451,645.54, 763,597,130,116.23 and 173,548,924,425.06

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Solution

The fourth proportional to 509,012,451,645.54, 763,597,130,116.23 and 173,548,924,425.06 is: 260,350,135,241.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,012,451,645.54 : 763,597,130,116.23 = 173,548,924,425.06 : x
  2. Step 2: Convert to fraction form
    509,012,451,645.54/763,597,130,116.23 = 173,548,924,425.06/x
  3. Step 3: Cross multiply
    509,012,451,645.54x = 763,597,130,116.23 × 173,548,924,425.06
  4. Step 4: Simplify right side
    509,012,451,645.54x = 132,521,460,625,734,310,559,744
  5. Step 5: Solve for x
    x = 132,521,460,625,734,310,559,744/509,012,451,645.54
  6. Step 6: Final answer
    x = 260,350,135,241.91

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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.