Home / 393,531,064.20-590,653,514.70-199,577,406.60

Finding the Fourth Proportional to 393,531,064.20, 590,653,514.70 and 199,577,406.60

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Solution

The fourth proportional to 393,531,064.20, 590,653,514.70 and 199,577,406.60 is: 299,547,119.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,531,064.20 : 590,653,514.70 = 199,577,406.60 : x
  2. Step 2: Convert to fraction form
    393,531,064.20/590,653,514.70 = 199,577,406.60/x
  3. Step 3: Cross multiply
    393,531,064.20x = 590,653,514.70 × 199,577,406.60
  4. Step 4: Simplify right side
    393,531,064.20x = 117,881,096,663,000,976
  5. Step 5: Solve for x
    x = 117,881,096,663,000,976/393,531,064.20
  6. Step 6: Final answer
    x = 299,547,119.37

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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.