Home / 829,927,172.18-1,244,896,109.14-331,979,286.36

Finding the Fourth Proportional to 829,927,172.18, 1,244,896,109.14 and 331,979,286.36

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Solution

The fourth proportional to 829,927,172.18, 1,244,896,109.14 and 331,979,286.36 is: 497,971,069.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,927,172.18 : 1,244,896,109.14 = 331,979,286.36 : x
  2. Step 2: Convert to fraction form
    829,927,172.18/1,244,896,109.14 = 331,979,286.36/x
  3. Step 3: Cross multiply
    829,927,172.18x = 1,244,896,109.14 × 331,979,286.36
  4. Step 4: Simplify right side
    829,927,172.18x = 413,279,721,904,637,952
  5. Step 5: Solve for x
    x = 413,279,721,904,637,952/829,927,172.18
  6. Step 6: Final answer
    x = 497,971,069.94

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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.