Home / 437,078,373.72-603,169,755.90-238,839,892.32

Finding the Fourth Proportional to 437,078,373.72, 603,169,755.90 and 238,839,892.32

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Solution

The fourth proportional to 437,078,373.72, 603,169,755.90 and 238,839,892.32 is: 329,599,925.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,078,373.72 : 603,169,755.90 = 238,839,892.32 : x
  2. Step 2: Convert to fraction form
    437,078,373.72/603,169,755.90 = 238,839,892.32/x
  3. Step 3: Cross multiply
    437,078,373.72x = 603,169,755.90 × 238,839,892.32
  4. Step 4: Simplify right side
    437,078,373.72x = 144,060,999,549,836,672
  5. Step 5: Solve for x
    x = 144,060,999,549,836,672/437,078,373.72
  6. Step 6: Final answer
    x = 329,599,925.81

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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.