Home / 874,441,925.91-1,311,892,848.68-314,260,301.79

Finding the Fourth Proportional to 874,441,925.91, 1,311,892,848.68 and 314,260,301.79

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Solution

The fourth proportional to 874,441,925.91, 1,311,892,848.68 and 314,260,301.79 is: 471,473,096.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,441,925.91 : 1,311,892,848.68 = 314,260,301.79 : x
  2. Step 2: Convert to fraction form
    874,441,925.91/1,311,892,848.68 = 314,260,301.79/x
  3. Step 3: Cross multiply
    874,441,925.91x = 1,311,892,848.68 × 314,260,301.79
  4. Step 4: Simplify right side
    874,441,925.91x = 412,275,842,540,748,288
  5. Step 5: Solve for x
    x = 412,275,842,540,748,288/874,441,925.91
  6. Step 6: Final answer
    x = 471,473,096.53

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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.