Home / 653,212,899.80-901,432,223.50-355,857,585.44

Finding the Fourth Proportional to 653,212,899.80, 901,432,223.50 and 355,857,585.44

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Solution

The fourth proportional to 653,212,899.80, 901,432,223.50 and 355,857,585.44 is: 491,082,608.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,212,899.80 : 901,432,223.50 = 355,857,585.44 : x
  2. Step 2: Convert to fraction form
    653,212,899.80/901,432,223.50 = 355,857,585.44/x
  3. Step 3: Cross multiply
    653,212,899.80x = 901,432,223.50 × 355,857,585.44
  4. Step 4: Simplify right side
    653,212,899.80x = 320,781,494,492,520,448
  5. Step 5: Solve for x
    x = 320,781,494,492,520,448/653,212,899.80
  6. Step 6: Final answer
    x = 491,082,608.12

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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.