Home / 447,445,729.56-617,494,356.18-249,207,311.64

Finding the Fourth Proportional to 447,445,729.56, 617,494,356.18 and 249,207,311.64

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Solution

The fourth proportional to 447,445,729.56, 617,494,356.18 and 249,207,311.64 is: 343,916,811.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,445,729.56 : 617,494,356.18 = 249,207,311.64 : x
  2. Step 2: Convert to fraction form
    447,445,729.56/617,494,356.18 = 249,207,311.64/x
  3. Step 3: Cross multiply
    447,445,729.56x = 617,494,356.18 × 249,207,311.64
  4. Step 4: Simplify right side
    447,445,729.56x = 153,884,108,456,490,400
  5. Step 5: Solve for x
    x = 153,884,108,456,490,400/447,445,729.56
  6. Step 6: Final answer
    x = 343,916,811.11

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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.