Home / 347,630,688.30-521,446,032.45-132,191,942.70

Finding the Fourth Proportional to 347,630,688.30, 521,446,032.45 and 132,191,942.70

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Solution

The fourth proportional to 347,630,688.30, 521,446,032.45 and 132,191,942.70 is: 198,287,914.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,630,688.30 : 521,446,032.45 = 132,191,942.70 : x
  2. Step 2: Convert to fraction form
    347,630,688.30/521,446,032.45 = 132,191,942.70/x
  3. Step 3: Cross multiply
    347,630,688.30x = 521,446,032.45 × 132,191,942.70
  4. Step 4: Simplify right side
    347,630,688.30x = 68,930,964,042,772,744
  5. Step 5: Solve for x
    x = 68,930,964,042,772,744/347,630,688.30
  6. Step 6: Final answer
    x = 198,287,914.05

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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.