Home / 803,838,707.31-1,205,624,324.26-243,467,305.65

Finding the Fourth Proportional to 803,838,707.31, 1,205,624,324.26 and 243,467,305.65

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Solution

The fourth proportional to 803,838,707.31, 1,205,624,324.26 and 243,467,305.65 is: 365,160,452.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,838,707.31 : 1,205,624,324.26 = 243,467,305.65 : x
  2. Step 2: Convert to fraction form
    803,838,707.31/1,205,624,324.26 = 243,467,305.65/x
  3. Step 3: Cross multiply
    803,838,707.31x = 1,205,624,324.26 × 243,467,305.65
  4. Step 4: Simplify right side
    803,838,707.31x = 293,530,105,853,684,160
  5. Step 5: Solve for x
    x = 293,530,105,853,684,160/803,838,707.31
  6. Step 6: Final answer
    x = 365,160,452.20

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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.