Home / 479,905,399.36-662,236,000.21-271,021,185.71

Finding the Fourth Proportional to 479,905,399.36, 662,236,000.21 and 271,021,185.71

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Solution

The fourth proportional to 479,905,399.36, 662,236,000.21 and 271,021,185.71 is: 373,990,345.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,905,399.36 : 662,236,000.21 = 271,021,185.71 : x
  2. Step 2: Convert to fraction form
    479,905,399.36/662,236,000.21 = 271,021,185.71/x
  3. Step 3: Cross multiply
    479,905,399.36x = 662,236,000.21 × 271,021,185.71
  4. Step 4: Simplify right side
    479,905,399.36x = 179,479,985,992,773,248
  5. Step 5: Solve for x
    x = 179,479,985,992,773,248/479,905,399.36
  6. Step 6: Final answer
    x = 373,990,345.25

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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.