Home / 479,919,220.15-719,246,764.06-203,228,065.20

Finding the Fourth Proportional to 479,919,220.15, 719,246,764.06 and 203,228,065.20

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Solution

The fourth proportional to 479,919,220.15, 719,246,764.06 and 203,228,065.20 is: 304,574,441.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,919,220.15 : 719,246,764.06 = 203,228,065.20 : x
  2. Step 2: Convert to fraction form
    479,919,220.15/719,246,764.06 = 203,228,065.20/x
  3. Step 3: Cross multiply
    479,919,220.15x = 719,246,764.06 × 203,228,065.20
  4. Step 4: Simplify right side
    479,919,220.15x = 146,171,128,261,274,688
  5. Step 5: Solve for x
    x = 146,171,128,261,274,688/479,919,220.15
  6. Step 6: Final answer
    x = 304,574,441.12

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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.