Home / 2,660,109,081.30-3,990,163,621.95-1,680,557,030.10

Finding the Fourth Proportional to 2,660,109,081.30, 3,990,163,621.95 and 1,680,557,030.10

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Solution

The fourth proportional to 2,660,109,081.30, 3,990,163,621.95 and 1,680,557,030.10 is: 2,520,835,545.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,109,081.30 : 3,990,163,621.95 = 1,680,557,030.10 : x
  2. Step 2: Convert to fraction form
    2,660,109,081.30/3,990,163,621.95 = 1,680,557,030.10/x
  3. Step 3: Cross multiply
    2,660,109,081.30x = 3,990,163,621.95 × 1,680,557,030.10
  4. Step 4: Simplify right side
    2,660,109,081.30x = 6,705,697,526,117,350,400
  5. Step 5: Solve for x
    x = 6,705,697,526,117,350,400/2,660,109,081.30
  6. Step 6: Final answer
    x = 2,520,835,545.15

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Double scale
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Similar ratio
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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.