Home / 808,661,658.52-1,115,953,301.82-456,312,319.48

Finding the Fourth Proportional to 808,661,658.52, 1,115,953,301.82 and 456,312,319.48

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Solution

The fourth proportional to 808,661,658.52, 1,115,953,301.82 and 456,312,319.48 is: 629,711,121.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,661,658.52 : 1,115,953,301.82 = 456,312,319.48 : x
  2. Step 2: Convert to fraction form
    808,661,658.52/1,115,953,301.82 = 456,312,319.48/x
  3. Step 3: Cross multiply
    808,661,658.52x = 1,115,953,301.82 × 456,312,319.48
  4. Step 4: Simplify right side
    808,661,658.52x = 509,223,239,584,848,704
  5. Step 5: Solve for x
    x = 509,223,239,584,848,704/808,661,658.52
  6. Step 6: Final answer
    x = 629,711,121.11

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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.