Home / 780,052,275.90-1,170,078,413.85-262,310,643.90

Finding the Fourth Proportional to 780,052,275.90, 1,170,078,413.85 and 262,310,643.90

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Solution

The fourth proportional to 780,052,275.90, 1,170,078,413.85 and 262,310,643.90 is: 393,465,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,052,275.90 : 1,170,078,413.85 = 262,310,643.90 : x
  2. Step 2: Convert to fraction form
    780,052,275.90/1,170,078,413.85 = 262,310,643.90/x
  3. Step 3: Cross multiply
    780,052,275.90x = 1,170,078,413.85 × 262,310,643.90
  4. Step 4: Simplify right side
    780,052,275.90x = 306,924,022,150,484,160
  5. Step 5: Solve for x
    x = 306,924,022,150,484,160/780,052,275.90
  6. Step 6: Final answer
    x = 393,465,965.85

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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.