Home / 904,710,562.80-1,356,288,610.32-314,424,109.68

Finding the Fourth Proportional to 904,710,562.80, 1,356,288,610.32 and 314,424,109.68

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Solution

The fourth proportional to 904,710,562.80, 1,356,288,610.32 and 314,424,109.68 is: 471,366,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,710,562.80 : 1,356,288,610.32 = 314,424,109.68 : x
  2. Step 2: Convert to fraction form
    904,710,562.80/1,356,288,610.32 = 314,424,109.68/x
  3. Step 3: Cross multiply
    904,710,562.80x = 1,356,288,610.32 × 314,424,109.68
  4. Step 4: Simplify right side
    904,710,562.80x = 426,449,838,768,990,464
  5. Step 5: Solve for x
    x = 426,449,838,768,990,464/904,710,562.80
  6. Step 6: Final answer
    x = 471,366,043.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.