Home / 40,310,889,643.20-60,466,334,464.80-12,361,911,441.60

Finding the Fourth Proportional to 40,310,889,643.20, 60,466,334,464.80 and 12,361,911,441.60

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Solution

The fourth proportional to 40,310,889,643.20, 60,466,334,464.80 and 12,361,911,441.60 is: 18,542,867,162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,310,889,643.20 : 60,466,334,464.80 = 12,361,911,441.60 : x
  2. Step 2: Convert to fraction form
    40,310,889,643.20/60,466,334,464.80 = 12,361,911,441.60/x
  3. Step 3: Cross multiply
    40,310,889,643.20x = 60,466,334,464.80 × 12,361,911,441.60
  4. Step 4: Simplify right side
    40,310,889,643.20x = 747,479,471,852,023,578,624
  5. Step 5: Solve for x
    x = 747,479,471,852,023,578,624/40,310,889,643.20
  6. Step 6: Final answer
    x = 18,542,867,162.40

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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.