Home / 1,393,922,571.73-2,090,270,291.95-738,720,089.86

Finding the Fourth Proportional to 1,393,922,571.73, 2,090,270,291.95 and 738,720,089.86

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Solution

The fourth proportional to 1,393,922,571.73, 2,090,270,291.95 and 738,720,089.86 is: 1,107,754,970.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,922,571.73 : 2,090,270,291.95 = 738,720,089.86 : x
  2. Step 2: Convert to fraction form
    1,393,922,571.73/2,090,270,291.95 = 738,720,089.86/x
  3. Step 3: Cross multiply
    1,393,922,571.73x = 2,090,270,291.95 × 738,720,089.86
  4. Step 4: Simplify right side
    1,393,922,571.73x = 1,544,124,657,900,992,512
  5. Step 5: Solve for x
    x = 1,544,124,657,900,992,512/1,393,922,571.73
  6. Step 6: Final answer
    x = 1,107,754,970.91

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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.