Home / 738,985,137.12-1,019,757,996.93-404,456,977.98

Finding the Fourth Proportional to 738,985,137.12, 1,019,757,996.93 and 404,456,977.98

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Solution

The fourth proportional to 738,985,137.12, 1,019,757,996.93 and 404,456,977.98 is: 558,127,920.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,985,137.12 : 1,019,757,996.93 = 404,456,977.98 : x
  2. Step 2: Convert to fraction form
    738,985,137.12/1,019,757,996.93 = 404,456,977.98/x
  3. Step 3: Cross multiply
    738,985,137.12x = 1,019,757,996.93 × 404,456,977.98
  4. Step 4: Simplify right side
    738,985,137.12x = 412,448,237,709,245,888
  5. Step 5: Solve for x
    x = 412,448,237,709,245,888/738,985,137.12
  6. Step 6: Final answer
    x = 558,127,920.29

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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.