Home / 312,623,630.36-468,343,544.88-208,679,413.24

Finding the Fourth Proportional to 312,623,630.36, 468,343,544.88 and 208,679,413.24

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Solution

The fourth proportional to 312,623,630.36, 468,343,544.88 and 208,679,413.24 is: 312,624,020.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,623,630.36 : 468,343,544.88 = 208,679,413.24 : x
  2. Step 2: Convert to fraction form
    312,623,630.36/468,343,544.88 = 208,679,413.24/x
  3. Step 3: Cross multiply
    312,623,630.36x = 468,343,544.88 × 208,679,413.24
  4. Step 4: Simplify right side
    312,623,630.36x = 97,733,656,140,300,016
  5. Step 5: Solve for x
    x = 97,733,656,140,300,016/312,623,630.36
  6. Step 6: Final answer
    x = 312,624,020.22

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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.