Home / 1,628,924,964.40-2,443,387,446.60-402,093,415.90

Finding the Fourth Proportional to 1,628,924,964.40, 2,443,387,446.60 and 402,093,415.90

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Solution

The fourth proportional to 1,628,924,964.40, 2,443,387,446.60 and 402,093,415.90 is: 603,140,123.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,924,964.40 : 2,443,387,446.60 = 402,093,415.90 : x
  2. Step 2: Convert to fraction form
    1,628,924,964.40/2,443,387,446.60 = 402,093,415.90/x
  3. Step 3: Cross multiply
    1,628,924,964.40x = 2,443,387,446.60 × 402,093,415.90
  4. Step 4: Simplify right side
    1,628,924,964.40x = 982,470,004,770,572,800
  5. Step 5: Solve for x
    x = 982,470,004,770,572,800/1,628,924,964.40
  6. Step 6: Final answer
    x = 603,140,123.85

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Double scale
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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.