Home / 498,133,081.80-747,518,487.30-290,871,091.80

Finding the Fourth Proportional to 498,133,081.80, 747,518,487.30 and 290,871,091.80

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Solution

The fourth proportional to 498,133,081.80, 747,518,487.30 and 290,871,091.80 is: 436,492,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,133,081.80 : 747,518,487.30 = 290,871,091.80 : x
  2. Step 2: Convert to fraction form
    498,133,081.80/747,518,487.30 = 290,871,091.80/x
  3. Step 3: Cross multiply
    498,133,081.80x = 747,518,487.30 × 290,871,091.80
  4. Step 4: Simplify right side
    498,133,081.80x = 217,431,518,541,635,424
  5. Step 5: Solve for x
    x = 217,431,518,541,635,424/498,133,081.80
  6. Step 6: Final answer
    x = 436,492,829.90

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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.