Home / 789,987,962.52-1,090,183,368.51-437,586,653.70

Finding the Fourth Proportional to 789,987,962.52, 1,090,183,368.51 and 437,586,653.70

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Solution

The fourth proportional to 789,987,962.52, 1,090,183,368.51 and 437,586,653.70 is: 603,869,571.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,987,962.52 : 1,090,183,368.51 = 437,586,653.70 : x
  2. Step 2: Convert to fraction form
    789,987,962.52/1,090,183,368.51 = 437,586,653.70/x
  3. Step 3: Cross multiply
    789,987,962.52x = 1,090,183,368.51 × 437,586,653.70
  4. Step 4: Simplify right side
    789,987,962.52x = 477,049,692,145,684,864
  5. Step 5: Solve for x
    x = 477,049,692,145,684,864/789,987,962.52
  6. Step 6: Final answer
    x = 603,869,571.16

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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.