Home / 521,653,273.36-782,557,384.19-171,834,726.24

Finding the Fourth Proportional to 521,653,273.36, 782,557,384.19 and 171,834,726.24

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Solution

The fourth proportional to 521,653,273.36, 782,557,384.19 and 171,834,726.24 is: 257,777,609.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,653,273.36 : 782,557,384.19 = 171,834,726.24 : x
  2. Step 2: Convert to fraction form
    521,653,273.36/782,557,384.19 = 171,834,726.24/x
  3. Step 3: Cross multiply
    521,653,273.36x = 782,557,384.19 × 171,834,726.24
  4. Step 4: Simplify right side
    521,653,273.36x = 134,470,533,878,519,984
  5. Step 5: Solve for x
    x = 134,470,533,878,519,984/521,653,273.36
  6. Step 6: Final answer
    x = 257,777,609.66

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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.