Home / 338,256,043.20-507,384,064.80-296,601,566.40

Finding the Fourth Proportional to 338,256,043.20, 507,384,064.80 and 296,601,566.40

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Solution

The fourth proportional to 338,256,043.20, 507,384,064.80 and 296,601,566.40 is: 444,902,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,256,043.20 : 507,384,064.80 = 296,601,566.40 : x
  2. Step 2: Convert to fraction form
    338,256,043.20/507,384,064.80 = 296,601,566.40/x
  3. Step 3: Cross multiply
    338,256,043.20x = 507,384,064.80 × 296,601,566.40
  4. Step 4: Simplify right side
    338,256,043.20x = 150,490,908,386,079,104
  5. Step 5: Solve for x
    x = 150,490,908,386,079,104/338,256,043.20
  6. Step 6: Final answer
    x = 444,902,349.60

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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.