Home / 31,912,758,311.80-47,869,137,467.70-9,826,920,657.40

Finding the Fourth Proportional to 31,912,758,311.80, 47,869,137,467.70 and 9,826,920,657.40

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Solution

The fourth proportional to 31,912,758,311.80, 47,869,137,467.70 and 9,826,920,657.40 is: 14,740,380,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,912,758,311.80 : 47,869,137,467.70 = 9,826,920,657.40 : x
  2. Step 2: Convert to fraction form
    31,912,758,311.80/47,869,137,467.70 = 9,826,920,657.40/x
  3. Step 3: Cross multiply
    31,912,758,311.80x = 47,869,137,467.70 × 9,826,920,657.40
  4. Step 4: Simplify right side
    31,912,758,311.80x = 470,406,215,833,261,375,488
  5. Step 5: Solve for x
    x = 470,406,215,833,261,375,488/31,912,758,311.80
  6. Step 6: Final answer
    x = 14,740,380,986.10

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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.