Home / 539,137,072.40-808,705,608.60-357,589,245.20

Finding the Fourth Proportional to 539,137,072.40, 808,705,608.60 and 357,589,245.20

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Solution

The fourth proportional to 539,137,072.40, 808,705,608.60 and 357,589,245.20 is: 536,383,867.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,137,072.40 : 808,705,608.60 = 357,589,245.20 : x
  2. Step 2: Convert to fraction form
    539,137,072.40/808,705,608.60 = 357,589,245.20/x
  3. Step 3: Cross multiply
    539,137,072.40x = 808,705,608.60 × 357,589,245.20
  4. Step 4: Simplify right side
    539,137,072.40x = 289,184,428,168,280,640
  5. Step 5: Solve for x
    x = 289,184,428,168,280,640/539,137,072.40
  6. Step 6: Final answer
    x = 536,383,867.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.