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Finding the Fourth Proportional to 357,642,796.60, 536,464,194.90 and 336,101,721.40

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Solution

The fourth proportional to 357,642,796.60, 536,464,194.90 and 336,101,721.40 is: 504,152,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,642,796.60 : 536,464,194.90 = 336,101,721.40 : x
  2. Step 2: Convert to fraction form
    357,642,796.60/536,464,194.90 = 336,101,721.40/x
  3. Step 3: Cross multiply
    357,642,796.60x = 536,464,194.90 × 336,101,721.40
  4. Step 4: Simplify right side
    357,642,796.60x = 180,306,539,375,355,072
  5. Step 5: Solve for x
    x = 180,306,539,375,355,072/357,642,796.60
  6. Step 6: Final answer
    x = 504,152,582.10

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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.