Home / 655,634,356.44-904,827,006.36-373,388,745.12

Finding the Fourth Proportional to 655,634,356.44, 904,827,006.36 and 373,388,745.12

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Solution

The fourth proportional to 655,634,356.44, 904,827,006.36 and 373,388,745.12 is: 515,305,851.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,634,356.44 : 904,827,006.36 = 373,388,745.12 : x
  2. Step 2: Convert to fraction form
    655,634,356.44/904,827,006.36 = 373,388,745.12/x
  3. Step 3: Cross multiply
    655,634,356.44x = 904,827,006.36 × 373,388,745.12
  4. Step 4: Simplify right side
    655,634,356.44x = 337,852,220,455,446,656
  5. Step 5: Solve for x
    x = 337,852,220,455,446,656/655,634,356.44
  6. Step 6: Final answer
    x = 515,305,851.71

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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.