Home / 441,531,969.20-609,286,663.35-243,282,369.72

Finding the Fourth Proportional to 441,531,969.20, 609,286,663.35 and 243,282,369.72

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Solution

The fourth proportional to 441,531,969.20, 609,286,663.35 and 243,282,369.72 is: 335,714,543.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,531,969.20 : 609,286,663.35 = 243,282,369.72 : x
  2. Step 2: Convert to fraction form
    441,531,969.20/609,286,663.35 = 243,282,369.72/x
  3. Step 3: Cross multiply
    441,531,969.20x = 609,286,663.35 × 243,282,369.72
  4. Step 4: Simplify right side
    441,531,969.20x = 148,228,703,298,579,872
  5. Step 5: Solve for x
    x = 148,228,703,298,579,872/441,531,969.20
  6. Step 6: Final answer
    x = 335,714,543.09

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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.