Home / 1,146,867,212.48-1,720,295,908.90-317,818,487.03

Finding the Fourth Proportional to 1,146,867,212.48, 1,720,295,908.90 and 317,818,487.03

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Solution

The fourth proportional to 1,146,867,212.48, 1,720,295,908.90 and 317,818,487.03 is: 476,726,369.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,867,212.48 : 1,720,295,908.90 = 317,818,487.03 : x
  2. Step 2: Convert to fraction form
    1,146,867,212.48/1,720,295,908.90 = 317,818,487.03/x
  3. Step 3: Cross multiply
    1,146,867,212.48x = 1,720,295,908.90 × 317,818,487.03
  4. Step 4: Simplify right side
    1,146,867,212.48x = 546,741,843,001,100,672
  5. Step 5: Solve for x
    x = 546,741,843,001,100,672/1,146,867,212.48
  6. Step 6: Final answer
    x = 476,726,369.94

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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.