Home / 919,884,705,179.75-1,378,593,668,135-715,924,179,586.10

Finding the Fourth Proportional to 919,884,705,179.75, 1,378,593,668,135 and 715,924,179,586.10

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Solution

The fourth proportional to 919,884,705,179.75, 1,378,593,668,135 and 715,924,179,586.10 is: 1,072,926,351,840.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,884,705,179.75 : 1,378,593,668,135 = 715,924,179,586.10 : x
  2. Step 2: Convert to fraction form
    919,884,705,179.75/1,378,593,668,135 = 715,924,179,586.10/x
  3. Step 3: Cross multiply
    919,884,705,179.75x = 1,378,593,668,135 × 715,924,179,586.10
  4. Step 4: Simplify right side
    919,884,705,179.75x = 986,968,540,842,142,002,577,408
  5. Step 5: Solve for x
    x = 986,968,540,842,142,002,577,408/919,884,705,179.75
  6. Step 6: Final answer
    x = 1,072,926,351,840.24

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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.