Home / 423,616,573.89-635,060,889.36-147,231,882.81

Finding the Fourth Proportional to 423,616,573.89, 635,060,889.36 and 147,231,882.81

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Solution

The fourth proportional to 423,616,573.89, 635,060,889.36 and 147,231,882.81 is: 220,721,322.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,616,573.89 : 635,060,889.36 = 147,231,882.81 : x
  2. Step 2: Convert to fraction form
    423,616,573.89/635,060,889.36 = 147,231,882.81/x
  3. Step 3: Cross multiply
    423,616,573.89x = 635,060,889.36 × 147,231,882.81
  4. Step 4: Simplify right side
    423,616,573.89x = 93,501,210,439,465,904
  5. Step 5: Solve for x
    x = 93,501,210,439,465,904/423,616,573.89
  6. Step 6: Final answer
    x = 220,721,322.54

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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.