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Finding the Fourth Proportional to 449,064,048.20, 627,159,117.40 and 449,064,048.20

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Solution

The fourth proportional to 449,064,048.20, 627,159,117.40 and 449,064,048.20 is: 627,159,117.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,064,048.20 : 627,159,117.40 = 449,064,048.20 : x
  2. Step 2: Convert to fraction form
    449,064,048.20/627,159,117.40 = 449,064,048.20/x
  3. Step 3: Cross multiply
    449,064,048.20x = 627,159,117.40 × 449,064,048.20
  4. Step 4: Simplify right side
    449,064,048.20x = 281,634,612,125,183,040
  5. Step 5: Solve for x
    x = 281,634,612,125,183,040/449,064,048.20
  6. Step 6: Final answer
    x = 627,159,117.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.