Home / 447,543,221.90-617,527,658.94-249,299,783.24

Finding the Fourth Proportional to 447,543,221.90, 617,527,658.94 and 249,299,783.24

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Solution

The fourth proportional to 447,543,221.90, 617,527,658.94 and 249,299,783.24 is: 343,988,030.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,543,221.90 : 617,527,658.94 = 249,299,783.24 : x
  2. Step 2: Convert to fraction form
    447,543,221.90/617,527,658.94 = 249,299,783.24/x
  3. Step 3: Cross multiply
    447,543,221.90x = 617,527,658.94 × 249,299,783.24
  4. Step 4: Simplify right side
    447,543,221.90x = 153,949,511,518,446,656
  5. Step 5: Solve for x
    x = 153,949,511,518,446,656/447,543,221.90
  6. Step 6: Final answer
    x = 343,988,030.62

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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.