Home / 460,529,468.92-690,597,570.21-266,574,761.56

Finding the Fourth Proportional to 460,529,468.92, 690,597,570.21 and 266,574,761.56

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Solution

The fourth proportional to 460,529,468.92, 690,597,570.21 and 266,574,761.56 is: 399,748,322.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,529,468.92 : 690,597,570.21 = 266,574,761.56 : x
  2. Step 2: Convert to fraction form
    460,529,468.92/690,597,570.21 = 266,574,761.56/x
  3. Step 3: Cross multiply
    460,529,468.92x = 690,597,570.21 × 266,574,761.56
  4. Step 4: Simplify right side
    460,529,468.92x = 184,095,882,612,646,112
  5. Step 5: Solve for x
    x = 184,095,882,612,646,112/460,529,468.92
  6. Step 6: Final answer
    x = 399,748,322.39

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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.