Home / 442,870,239.10-664,305,358.65-328,078,983.10

Finding the Fourth Proportional to 442,870,239.10, 664,305,358.65 and 328,078,983.10

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Solution

The fourth proportional to 442,870,239.10, 664,305,358.65 and 328,078,983.10 is: 492,118,474.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,870,239.10 : 664,305,358.65 = 328,078,983.10 : x
  2. Step 2: Convert to fraction form
    442,870,239.10/664,305,358.65 = 328,078,983.10/x
  3. Step 3: Cross multiply
    442,870,239.10x = 664,305,358.65 × 328,078,983.10
  4. Step 4: Simplify right side
    442,870,239.10x = 217,944,626,533,772,800
  5. Step 5: Solve for x
    x = 217,944,626,533,772,800/442,870,239.10
  6. Step 6: Final answer
    x = 492,118,474.65

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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.