Home / 800,857,818.69-1,105,567,023.32-533,378,778.35

Finding the Fourth Proportional to 800,857,818.69, 1,105,567,023.32 and 533,378,778.35

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Solution

The fourth proportional to 800,857,818.69, 1,105,567,023.32 and 533,378,778.35 is: 736,317,951.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,857,818.69 : 1,105,567,023.32 = 533,378,778.35 : x
  2. Step 2: Convert to fraction form
    800,857,818.69/1,105,567,023.32 = 533,378,778.35/x
  3. Step 3: Cross multiply
    800,857,818.69x = 1,105,567,023.32 × 533,378,778.35
  4. Step 4: Simplify right side
    800,857,818.69x = 589,685,988,282,382,208
  5. Step 5: Solve for x
    x = 589,685,988,282,382,208/800,857,818.69
  6. Step 6: Final answer
    x = 736,317,951.23

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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.