Home / 1,227,904,272,467.80-1,841,856,408,701.60-432,653,125,715.78

Finding the Fourth Proportional to 1,227,904,272,467.80, 1,841,856,408,701.60 and 432,653,125,715.78

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Solution

The fourth proportional to 1,227,904,272,467.80, 1,841,856,408,701.60 and 432,653,125,715.78 is: 648,979,688,573.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,904,272,467.80 : 1,841,856,408,701.60 = 432,653,125,715.78 : x
  2. Step 2: Convert to fraction form
    1,227,904,272,467.80/1,841,856,408,701.60 = 432,653,125,715.78/x
  3. Step 3: Cross multiply
    1,227,904,272,467.80x = 1,841,856,408,701.60 × 432,653,125,715.78
  4. Step 4: Simplify right side
    1,227,904,272,467.80x = 796,884,932,344,388,572,413,952
  5. Step 5: Solve for x
    x = 796,884,932,344,388,572,413,952/1,227,904,272,467.80
  6. Step 6: Final answer
    x = 648,979,688,573.64

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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.