Home / 327,985,767.76-492,319,064.40-190,080,814

Finding the Fourth Proportional to 327,985,767.76, 492,319,064.40 and 190,080,814

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Solution

The fourth proportional to 327,985,767.76, 492,319,064.40 and 190,080,814 is: 285,318,503.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,985,767.76 : 492,319,064.40 = 190,080,814 : x
  2. Step 2: Convert to fraction form
    327,985,767.76/492,319,064.40 = 190,080,814/x
  3. Step 3: Cross multiply
    327,985,767.76x = 492,319,064.40 × 190,080,814
  4. Step 4: Simplify right side
    327,985,767.76x = 93,580,408,508,870,416
  5. Step 5: Solve for x
    x = 93,580,408,508,870,416/327,985,767.76
  6. Step 6: Final answer
    x = 285,318,503.75

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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.