Home / 402,771,853,945.62-555,838,313,838.20-219,878,707,770.18

Finding the Fourth Proportional to 402,771,853,945.62, 555,838,313,838.20 and 219,878,707,770.18

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Solution

The fourth proportional to 402,771,853,945.62, 555,838,313,838.20 and 219,878,707,770.18 is: 303,439,798,433.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,771,853,945.62 : 555,838,313,838.20 = 219,878,707,770.18 : x
  2. Step 2: Convert to fraction form
    402,771,853,945.62/555,838,313,838.20 = 219,878,707,770.18/x
  3. Step 3: Cross multiply
    402,771,853,945.62x = 555,838,313,838.20 × 219,878,707,770.18
  4. Step 4: Simplify right side
    402,771,853,945.62x = 122,217,010,175,899,164,737,536
  5. Step 5: Solve for x
    x = 122,217,010,175,899,164,737,536/402,771,853,945.62
  6. Step 6: Final answer
    x = 303,439,798,433.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.