Home / 31,912,758,310.80-47,869,137,466.20-9,826,920,656.40

Finding the Fourth Proportional to 31,912,758,310.80, 47,869,137,466.20 and 9,826,920,656.40

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Solution

The fourth proportional to 31,912,758,310.80, 47,869,137,466.20 and 9,826,920,656.40 is: 14,740,380,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,912,758,310.80 : 47,869,137,466.20 = 9,826,920,656.40 : x
  2. Step 2: Convert to fraction form
    31,912,758,310.80/47,869,137,466.20 = 9,826,920,656.40/x
  3. Step 3: Cross multiply
    31,912,758,310.80x = 47,869,137,466.20 × 9,826,920,656.40
  4. Step 4: Simplify right side
    31,912,758,310.80x = 470,406,215,770,651,885,568
  5. Step 5: Solve for x
    x = 470,406,215,770,651,885,568/31,912,758,310.80
  6. Step 6: Final answer
    x = 14,740,380,984.60

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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.