Home / 847,379,129.28-1,169,904,908.16-671,876,053.44

Finding the Fourth Proportional to 847,379,129.28, 1,169,904,908.16 and 671,876,053.44

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Solution

The fourth proportional to 847,379,129.28, 1,169,904,908.16 and 671,876,053.44 is: 927,602,610.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,379,129.28 : 1,169,904,908.16 = 671,876,053.44 : x
  2. Step 2: Convert to fraction form
    847,379,129.28/1,169,904,908.16 = 671,876,053.44/x
  3. Step 3: Cross multiply
    847,379,129.28x = 1,169,904,908.16 × 671,876,053.44
  4. Step 4: Simplify right side
    847,379,129.28x = 786,031,092,594,626,560
  5. Step 5: Solve for x
    x = 786,031,092,594,626,560/847,379,129.28
  6. Step 6: Final answer
    x = 927,602,610.73

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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.