Home / 6,897,315,818.20-10,345,973,727.30-1,990,149,712.60

Finding the Fourth Proportional to 6,897,315,818.20, 10,345,973,727.30 and 1,990,149,712.60

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Solution

The fourth proportional to 6,897,315,818.20, 10,345,973,727.30 and 1,990,149,712.60 is: 2,985,224,568.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897,315,818.20 : 10,345,973,727.30 = 1,990,149,712.60 : x
  2. Step 2: Convert to fraction form
    6,897,315,818.20/10,345,973,727.30 = 1,990,149,712.60/x
  3. Step 3: Cross multiply
    6,897,315,818.20x = 10,345,973,727.30 × 1,990,149,712.60
  4. Step 4: Simplify right side
    6,897,315,818.20x = 20,590,036,639,953,244,160
  5. Step 5: Solve for x
    x = 20,590,036,639,953,244,160/6,897,315,818.20
  6. Step 6: Final answer
    x = 2,985,224,568.90

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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.