Home / 970,241,646.90-1,455,362,470.35-280,171,413.30

Finding the Fourth Proportional to 970,241,646.90, 1,455,362,470.35 and 280,171,413.30

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Solution

The fourth proportional to 970,241,646.90, 1,455,362,470.35 and 280,171,413.30 is: 420,257,119.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,241,646.90 : 1,455,362,470.35 = 280,171,413.30 : x
  2. Step 2: Convert to fraction form
    970,241,646.90/1,455,362,470.35 = 280,171,413.30/x
  3. Step 3: Cross multiply
    970,241,646.90x = 1,455,362,470.35 × 280,171,413.30
  4. Step 4: Simplify right side
    970,241,646.90x = 407,750,960,181,738,816
  5. Step 5: Solve for x
    x = 407,750,960,181,738,816/970,241,646.90
  6. Step 6: Final answer
    x = 420,257,119.95

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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.