Home / 655,362,578.28-904,364,060.26-357,945,603.56

Finding the Fourth Proportional to 655,362,578.28, 904,364,060.26 and 357,945,603.56

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Solution

The fourth proportional to 655,362,578.28, 904,364,060.26 and 357,945,603.56 is: 493,945,107.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,362,578.28 : 904,364,060.26 = 357,945,603.56 : x
  2. Step 2: Convert to fraction form
    655,362,578.28/904,364,060.26 = 357,945,603.56/x
  3. Step 3: Cross multiply
    655,362,578.28x = 904,364,060.26 × 357,945,603.56
  4. Step 4: Simplify right side
    655,362,578.28x = 323,713,139,387,737,920
  5. Step 5: Solve for x
    x = 323,713,139,387,737,920/655,362,578.28
  6. Step 6: Final answer
    x = 493,945,107.82

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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.