Home / 557,734,688.58-769,658,416.92-303,407,612.94

Finding the Fourth Proportional to 557,734,688.58, 769,658,416.92 and 303,407,612.94

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Solution

The fourth proportional to 557,734,688.58, 769,658,416.92 and 303,407,612.94 is: 418,694,099.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,734,688.58 : 769,658,416.92 = 303,407,612.94 : x
  2. Step 2: Convert to fraction form
    557,734,688.58/769,658,416.92 = 303,407,612.94/x
  3. Step 3: Cross multiply
    557,734,688.58x = 769,658,416.92 × 303,407,612.94
  4. Step 4: Simplify right side
    557,734,688.58x = 233,520,223,056,876,480
  5. Step 5: Solve for x
    x = 233,520,223,056,876,480/557,734,688.58
  6. Step 6: Final answer
    x = 418,694,099.25

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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.