Home / 711,139,092,413.30-981,372,673,834.22-385,978,451,263

Finding the Fourth Proportional to 711,139,092,413.30, 981,372,673,834.22 and 385,978,451,263

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Solution

The fourth proportional to 711,139,092,413.30, 981,372,673,834.22 and 385,978,451,263 is: 532,650,656,952.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,139,092,413.30 : 981,372,673,834.22 = 385,978,451,263 : x
  2. Step 2: Convert to fraction form
    711,139,092,413.30/981,372,673,834.22 = 385,978,451,263/x
  3. Step 3: Cross multiply
    711,139,092,413.30x = 981,372,673,834.22 × 385,978,451,263
  4. Step 4: Simplify right side
    711,139,092,413.30x = 378,788,704,758,361,470,533,632
  5. Step 5: Solve for x
    x = 378,788,704,758,361,470,533,632/711,139,092,413.30
  6. Step 6: Final answer
    x = 532,650,656,952.24

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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.