Home / 2,520,660,643.20-3,780,990,964.80-2,270,989,661.40

Finding the Fourth Proportional to 2,520,660,643.20, 3,780,990,964.80 and 2,270,989,661.40

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Solution

The fourth proportional to 2,520,660,643.20, 3,780,990,964.80 and 2,270,989,661.40 is: 3,406,484,492.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520,660,643.20 : 3,780,990,964.80 = 2,270,989,661.40 : x
  2. Step 2: Convert to fraction form
    2,520,660,643.20/3,780,990,964.80 = 2,270,989,661.40/x
  3. Step 3: Cross multiply
    2,520,660,643.20x = 3,780,990,964.80 × 2,270,989,661.40
  4. Step 4: Simplify right side
    2,520,660,643.20x = 8,586,591,390,907,612,160
  5. Step 5: Solve for x
    x = 8,586,591,390,907,612,160/2,520,660,643.20
  6. Step 6: Final answer
    x = 3,406,484,492.10

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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.