Home / 327,806,564.40-491,709,846.60-164,547,889.20

Finding the Fourth Proportional to 327,806,564.40, 491,709,846.60 and 164,547,889.20

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Solution

The fourth proportional to 327,806,564.40, 491,709,846.60 and 164,547,889.20 is: 246,821,833.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,806,564.40 : 491,709,846.60 = 164,547,889.20 : x
  2. Step 2: Convert to fraction form
    327,806,564.40/491,709,846.60 = 164,547,889.20/x
  3. Step 3: Cross multiply
    327,806,564.40x = 491,709,846.60 × 164,547,889.20
  4. Step 4: Simplify right side
    327,806,564.40x = 80,909,817,356,885,792
  5. Step 5: Solve for x
    x = 80,909,817,356,885,792/327,806,564.40
  6. Step 6: Final answer
    x = 246,821,833.80

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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.