Home / 698,091,171.48-963,372,460.50-384,836,620.68

Finding the Fourth Proportional to 698,091,171.48, 963,372,460.50 and 384,836,620.68

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Solution

The fourth proportional to 698,091,171.48, 963,372,460.50 and 384,836,620.68 is: 531,078,199.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,091,171.48 : 963,372,460.50 = 384,836,620.68 : x
  2. Step 2: Convert to fraction form
    698,091,171.48/963,372,460.50 = 384,836,620.68/x
  3. Step 3: Cross multiply
    698,091,171.48x = 963,372,460.50 × 384,836,620.68
  4. Step 4: Simplify right side
    698,091,171.48x = 370,741,002,154,996,800
  5. Step 5: Solve for x
    x = 370,741,002,154,996,800/698,091,171.48
  6. Step 6: Final answer
    x = 531,078,199.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.