Home / 677,404,401.12-933,076,295.46-478,824,496.20

Finding the Fourth Proportional to 677,404,401.12, 933,076,295.46 and 478,824,496.20

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Solution

The fourth proportional to 677,404,401.12, 933,076,295.46 and 478,824,496.20 is: 659,546,625.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,404,401.12 : 933,076,295.46 = 478,824,496.20 : x
  2. Step 2: Convert to fraction form
    677,404,401.12/933,076,295.46 = 478,824,496.20/x
  3. Step 3: Cross multiply
    677,404,401.12x = 933,076,295.46 × 478,824,496.20
  4. Step 4: Simplify right side
    677,404,401.12x = 446,779,787,089,796,864
  5. Step 5: Solve for x
    x = 446,779,787,089,796,864/677,404,401.12
  6. Step 6: Final answer
    x = 659,546,625.84

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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.