Home / 868,322,827.20-1,302,106,327.20-285,831,998.40

Finding the Fourth Proportional to 868,322,827.20, 1,302,106,327.20 and 285,831,998.40

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Solution

The fourth proportional to 868,322,827.20, 1,302,106,327.20 and 285,831,998.40 is: 428,623,597.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,322,827.20 : 1,302,106,327.20 = 285,831,998.40 : x
  2. Step 2: Convert to fraction form
    868,322,827.20/1,302,106,327.20 = 285,831,998.40/x
  3. Step 3: Cross multiply
    868,322,827.20x = 1,302,106,327.20 × 285,831,998.40
  4. Step 4: Simplify right side
    868,322,827.20x = 372,183,653,632,860,288
  5. Step 5: Solve for x
    x = 372,183,653,632,860,288/868,322,827.20
  6. Step 6: Final answer
    x = 428,623,597.09

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1.5x scale

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.