Home / 498,318,313.40-747,406,611.30-170,808,939.80

Finding the Fourth Proportional to 498,318,313.40, 747,406,611.30 and 170,808,939.80

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Solution

The fourth proportional to 498,318,313.40, 747,406,611.30 and 170,808,939.80 is: 256,189,121.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,318,313.40 : 747,406,611.30 = 170,808,939.80 : x
  2. Step 2: Convert to fraction form
    498,318,313.40/747,406,611.30 = 170,808,939.80/x
  3. Step 3: Cross multiply
    498,318,313.40x = 747,406,611.30 × 170,808,939.80
  4. Step 4: Simplify right side
    498,318,313.40x = 127,663,730,875,663,696
  5. Step 5: Solve for x
    x = 127,663,730,875,663,696/498,318,313.40
  6. Step 6: Final answer
    x = 256,189,121.38

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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.