Home / 6,897,315,821.20-10,345,973,731.80-1,990,149,715.60

Finding the Fourth Proportional to 6,897,315,821.20, 10,345,973,731.80 and 1,990,149,715.60

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Solution

The fourth proportional to 6,897,315,821.20, 10,345,973,731.80 and 1,990,149,715.60 is: 2,985,224,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897,315,821.20 : 10,345,973,731.80 = 1,990,149,715.60 : x
  2. Step 2: Convert to fraction form
    6,897,315,821.20/10,345,973,731.80 = 1,990,149,715.60/x
  3. Step 3: Cross multiply
    6,897,315,821.20x = 10,345,973,731.80 × 1,990,149,715.60
  4. Step 4: Simplify right side
    6,897,315,821.20x = 20,590,036,679,946,838,016
  5. Step 5: Solve for x
    x = 20,590,036,679,946,838,016/6,897,315,821.20
  6. Step 6: Final answer
    x = 2,985,224,573.40

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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.