Home / 459,228,821.80-688,843,232.70-330,088,658.80

Finding the Fourth Proportional to 459,228,821.80, 688,843,232.70 and 330,088,658.80

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Solution

The fourth proportional to 459,228,821.80, 688,843,232.70 and 330,088,658.80 is: 495,132,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,228,821.80 : 688,843,232.70 = 330,088,658.80 : x
  2. Step 2: Convert to fraction form
    459,228,821.80/688,843,232.70 = 330,088,658.80/x
  3. Step 3: Cross multiply
    459,228,821.80x = 688,843,232.70 × 330,088,658.80
  4. Step 4: Simplify right side
    459,228,821.80x = 227,379,338,805,399,328
  5. Step 5: Solve for x
    x = 227,379,338,805,399,328/459,228,821.80
  6. Step 6: Final answer
    x = 495,132,988.20

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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.