Home / 557,371,548.45-768,458,714.81-456,528,485.69

Finding the Fourth Proportional to 557,371,548.45, 768,458,714.81 and 456,528,485.69

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Solution

The fourth proportional to 557,371,548.45, 768,458,714.81 and 456,528,485.69 is: 629,424,473.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,371,548.45 : 768,458,714.81 = 456,528,485.69 : x
  2. Step 2: Convert to fraction form
    557,371,548.45/768,458,714.81 = 456,528,485.69/x
  3. Step 3: Cross multiply
    557,371,548.45x = 768,458,714.81 × 456,528,485.69
  4. Step 4: Simplify right side
    557,371,548.45x = 350,823,293,381,367,936
  5. Step 5: Solve for x
    x = 350,823,293,381,367,936/557,371,548.45
  6. Step 6: Final answer
    x = 629,424,473.42

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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.