Home / 517,596,490.53-714,282,534.90-305,979,590.61

Finding the Fourth Proportional to 517,596,490.53, 714,282,534.90 and 305,979,590.61

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Solution

The fourth proportional to 517,596,490.53, 714,282,534.90 and 305,979,590.61 is: 422,251,467.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,596,490.53 : 714,282,534.90 = 305,979,590.61 : x
  2. Step 2: Convert to fraction form
    517,596,490.53/714,282,534.90 = 305,979,590.61/x
  3. Step 3: Cross multiply
    517,596,490.53x = 714,282,534.90 × 305,979,590.61
  4. Step 4: Simplify right side
    517,596,490.53x = 218,555,877,608,575,040
  5. Step 5: Solve for x
    x = 218,555,877,608,575,040/517,596,490.53
  6. Step 6: Final answer
    x = 422,251,467.33

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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.