Home / 447,445,728.56-617,494,354.80-249,207,310.64

Finding the Fourth Proportional to 447,445,728.56, 617,494,354.80 and 249,207,310.64

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Solution

The fourth proportional to 447,445,728.56, 617,494,354.80 and 249,207,310.64 is: 343,916,809.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,445,728.56 : 617,494,354.80 = 249,207,310.64 : x
  2. Step 2: Convert to fraction form
    447,445,728.56/617,494,354.80 = 249,207,310.64/x
  3. Step 3: Cross multiply
    447,445,728.56x = 617,494,354.80 × 249,207,310.64
  4. Step 4: Simplify right side
    447,445,728.56x = 153,884,107,495,089,952
  5. Step 5: Solve for x
    x = 153,884,107,495,089,952/447,445,728.56
  6. Step 6: Final answer
    x = 343,916,809.73

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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.