Home / 498,133,083.30-747,518,489.55-290,871,093.30

Finding the Fourth Proportional to 498,133,083.30, 747,518,489.55 and 290,871,093.30

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Solution

The fourth proportional to 498,133,083.30, 747,518,489.55 and 290,871,093.30 is: 436,492,832.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,133,083.30 : 747,518,489.55 = 290,871,093.30 : x
  2. Step 2: Convert to fraction form
    498,133,083.30/747,518,489.55 = 290,871,093.30/x
  3. Step 3: Cross multiply
    498,133,083.30x = 747,518,489.55 × 290,871,093.30
  4. Step 4: Simplify right side
    498,133,083.30x = 217,431,520,317,373,120
  5. Step 5: Solve for x
    x = 217,431,520,317,373,120/498,133,083.30
  6. Step 6: Final answer
    x = 436,492,832.15

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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.