Home / 459,228,818.80-688,843,228.20-330,088,655.80

Finding the Fourth Proportional to 459,228,818.80, 688,843,228.20 and 330,088,655.80

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Solution

The fourth proportional to 459,228,818.80, 688,843,228.20 and 330,088,655.80 is: 495,132,983.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,228,818.80 : 688,843,228.20 = 330,088,655.80 : x
  2. Step 2: Convert to fraction form
    459,228,818.80/688,843,228.20 = 330,088,655.80/x
  3. Step 3: Cross multiply
    459,228,818.80x = 688,843,228.20 × 330,088,655.80
  4. Step 4: Simplify right side
    459,228,818.80x = 227,379,335,253,470,688
  5. Step 5: Solve for x
    x = 227,379,335,253,470,688/459,228,818.80
  6. Step 6: Final answer
    x = 495,132,983.70

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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.