Home / 30,537,971,352.90-45,806,957,029.35-8,455,003,479.90

Finding the Fourth Proportional to 30,537,971,352.90, 45,806,957,029.35 and 8,455,003,479.90

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Solution

The fourth proportional to 30,537,971,352.90, 45,806,957,029.35 and 8,455,003,479.90 is: 12,682,505,219.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,537,971,352.90 : 45,806,957,029.35 = 8,455,003,479.90 : x
  2. Step 2: Convert to fraction form
    30,537,971,352.90/45,806,957,029.35 = 8,455,003,479.90/x
  3. Step 3: Cross multiply
    30,537,971,352.90x = 45,806,957,029.35 × 8,455,003,479.90
  4. Step 4: Simplify right side
    30,537,971,352.90x = 387,297,981,086,783,963,136
  5. Step 5: Solve for x
    x = 387,297,981,086,783,963,136/30,537,971,352.90
  6. Step 6: Final answer
    x = 12,682,505,219.85

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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.