Home / 328,427,496.87-453,231,146.43-177,720,153.45

Finding the Fourth Proportional to 328,427,496.87, 453,231,146.43 and 177,720,153.45

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Solution

The fourth proportional to 328,427,496.87, 453,231,146.43 and 177,720,153.45 is: 245,254,461.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,427,496.87 : 453,231,146.43 = 177,720,153.45 : x
  2. Step 2: Convert to fraction form
    328,427,496.87/453,231,146.43 = 177,720,153.45/x
  3. Step 3: Cross multiply
    328,427,496.87x = 453,231,146.43 × 177,720,153.45
  4. Step 4: Simplify right side
    328,427,496.87x = 80,548,308,891,859,008
  5. Step 5: Solve for x
    x = 80,548,308,891,859,008/328,427,496.87
  6. Step 6: Final answer
    x = 245,254,461.52

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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.