Home / 489,997,001.39-676,050,800.42-291,599,447.27

Finding the Fourth Proportional to 489,997,001.39, 676,050,800.42 and 291,599,447.27

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Solution

The fourth proportional to 489,997,001.39, 676,050,800.42 and 291,599,447.27 is: 402,320,910.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,997,001.39 : 676,050,800.42 = 291,599,447.27 : x
  2. Step 2: Convert to fraction form
    489,997,001.39/676,050,800.42 = 291,599,447.27/x
  3. Step 3: Cross multiply
    489,997,001.39x = 676,050,800.42 × 291,599,447.27
  4. Step 4: Simplify right side
    489,997,001.39x = 197,136,039,724,074,816
  5. Step 5: Solve for x
    x = 197,136,039,724,074,816/489,997,001.39
  6. Step 6: Final answer
    x = 402,320,910.47

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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.