Home / 321,693,358.41-482,319,746.22-163,820,776.40

Finding the Fourth Proportional to 321,693,358.41, 482,319,746.22 and 163,820,776.40

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Solution

The fourth proportional to 321,693,358.41, 482,319,746.22 and 163,820,776.40 is: 245,618,982.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,693,358.41 : 482,319,746.22 = 163,820,776.40 : x
  2. Step 2: Convert to fraction form
    321,693,358.41/482,319,746.22 = 163,820,776.40/x
  3. Step 3: Cross multiply
    321,693,358.41x = 482,319,746.22 × 163,820,776.40
  4. Step 4: Simplify right side
    321,693,358.41x = 79,013,995,300,640,144
  5. Step 5: Solve for x
    x = 79,013,995,300,640,144/321,693,358.41
  6. Step 6: Final answer
    x = 245,618,982.29

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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.