Home / 447,777,413.70-671,666,120.55-409,035,364.80

Finding the Fourth Proportional to 447,777,413.70, 671,666,120.55 and 409,035,364.80

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Solution

The fourth proportional to 447,777,413.70, 671,666,120.55 and 409,035,364.80 is: 613,553,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,777,413.70 : 671,666,120.55 = 409,035,364.80 : x
  2. Step 2: Convert to fraction form
    447,777,413.70/671,666,120.55 = 409,035,364.80/x
  3. Step 3: Cross multiply
    447,777,413.70x = 671,666,120.55 × 409,035,364.80
  4. Step 4: Simplify right side
    447,777,413.70x = 274,735,196,642,970,016
  5. Step 5: Solve for x
    x = 274,735,196,642,970,016/447,777,413.70
  6. Step 6: Final answer
    x = 613,553,047.20

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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.