Home / 430,373,807.87-645,806,714.32-233,653,215.84

Finding the Fourth Proportional to 430,373,807.87, 645,806,714.32 and 233,653,215.84

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Solution

The fourth proportional to 430,373,807.87, 645,806,714.32 and 233,653,215.84 is: 350,613,380.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,373,807.87 : 645,806,714.32 = 233,653,215.84 : x
  2. Step 2: Convert to fraction form
    430,373,807.87/645,806,714.32 = 233,653,215.84/x
  3. Step 3: Cross multiply
    430,373,807.87x = 645,806,714.32 × 233,653,215.84
  4. Step 4: Simplify right side
    430,373,807.87x = 150,894,815,609,287,296
  5. Step 5: Solve for x
    x = 150,894,815,609,287,296/430,373,807.87
  6. Step 6: Final answer
    x = 350,613,380.39

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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.