Home / 353,206,461.62-487,424,918.76-196,610,562.11

Finding the Fourth Proportional to 353,206,461.62, 487,424,918.76 and 196,610,562.11

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Solution

The fourth proportional to 353,206,461.62, 487,424,918.76 and 196,610,562.11 is: 271,322,576.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,206,461.62 : 487,424,918.76 = 196,610,562.11 : x
  2. Step 2: Convert to fraction form
    353,206,461.62/487,424,918.76 = 196,610,562.11/x
  3. Step 3: Cross multiply
    353,206,461.62x = 487,424,918.76 × 196,610,562.11
  4. Step 4: Simplify right side
    353,206,461.62x = 95,832,887,263,824,688
  5. Step 5: Solve for x
    x = 95,832,887,263,824,688/353,206,461.62
  6. Step 6: Final answer
    x = 271,322,576.67

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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.