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Finding the Fourth Proportional to 304,399,438.40, 456,263,234.40 and 168,182,580.80

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Solution

The fourth proportional to 304,399,438.40, 456,263,234.40 and 168,182,580.80 is: 252,088,271.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,399,438.40 : 456,263,234.40 = 168,182,580.80 : x
  2. Step 2: Convert to fraction form
    304,399,438.40/456,263,234.40 = 168,182,580.80/x
  3. Step 3: Cross multiply
    304,399,438.40x = 456,263,234.40 × 168,182,580.80
  4. Step 4: Simplify right side
    304,399,438.40x = 76,735,528,285,547,344
  5. Step 5: Solve for x
    x = 76,735,528,285,547,344/304,399,438.40
  6. Step 6: Final answer
    x = 252,088,271.55

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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.