Home / 406,382,413.06-560,807,303.25-220,743,573.94

Finding the Fourth Proportional to 406,382,413.06, 560,807,303.25 and 220,743,573.94

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Solution

The fourth proportional to 406,382,413.06, 560,807,303.25 and 220,743,573.94 is: 304,625,900.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,382,413.06 : 560,807,303.25 = 220,743,573.94 : x
  2. Step 2: Convert to fraction form
    406,382,413.06/560,807,303.25 = 220,743,573.94/x
  3. Step 3: Cross multiply
    406,382,413.06x = 560,807,303.25 × 220,743,573.94
  4. Step 4: Simplify right side
    406,382,413.06x = 123,794,608,411,058,368
  5. Step 5: Solve for x
    x = 123,794,608,411,058,368/406,382,413.06
  6. Step 6: Final answer
    x = 304,625,900.22

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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.