Home / 30,339,748,818.19-41,868,544,967.99-16,791,412,282.57

Finding the Fourth Proportional to 30,339,748,818.19, 41,868,544,967.99 and 16,791,412,282.57

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Solution

The fourth proportional to 30,339,748,818.19, 41,868,544,967.99 and 16,791,412,282.57 is: 23,171,978,266.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,339,748,818.19 : 41,868,544,967.99 = 16,791,412,282.57 : x
  2. Step 2: Convert to fraction form
    30,339,748,818.19/41,868,544,967.99 = 16,791,412,282.57/x
  3. Step 3: Cross multiply
    30,339,748,818.19x = 41,868,544,967.99 × 16,791,412,282.57
  4. Step 4: Simplify right side
    30,339,748,818.19x = 703,032,000,228,757,733,376
  5. Step 5: Solve for x
    x = 703,032,000,228,757,733,376/30,339,748,818.19
  6. Step 6: Final answer
    x = 23,171,978,266.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.