Home / 970,241,624.40-1,455,362,436.60-280,171,390.80

Finding the Fourth Proportional to 970,241,624.40, 1,455,362,436.60 and 280,171,390.80

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Solution

The fourth proportional to 970,241,624.40, 1,455,362,436.60 and 280,171,390.80 is: 420,257,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,241,624.40 : 1,455,362,436.60 = 280,171,390.80 : x
  2. Step 2: Convert to fraction form
    970,241,624.40/1,455,362,436.60 = 280,171,390.80/x
  3. Step 3: Cross multiply
    970,241,624.40x = 1,455,362,436.60 × 280,171,390.80
  4. Step 4: Simplify right side
    970,241,624.40x = 407,750,917,980,298,816
  5. Step 5: Solve for x
    x = 407,750,917,980,298,816/970,241,624.40
  6. Step 6: Final answer
    x = 420,257,086.20

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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.