Home / 807,434,282.21-1,211,151,421.94-194,018,507.96

Finding the Fourth Proportional to 807,434,282.21, 1,211,151,421.94 and 194,018,507.96

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Solution

The fourth proportional to 807,434,282.21, 1,211,151,421.94 and 194,018,507.96 is: 291,027,761.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,434,282.21 : 1,211,151,421.94 = 194,018,507.96 : x
  2. Step 2: Convert to fraction form
    807,434,282.21/1,211,151,421.94 = 194,018,507.96/x
  3. Step 3: Cross multiply
    807,434,282.21x = 1,211,151,421.94 × 194,018,507.96
  4. Step 4: Simplify right side
    807,434,282.21x = 234,985,791,791,405,376
  5. Step 5: Solve for x
    x = 234,985,791,791,405,376/807,434,282.21
  6. Step 6: Final answer
    x = 291,027,761.60

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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.