Home / 557,415,015.62-769,281,742.01-306,563,606.64

Finding the Fourth Proportional to 557,415,015.62, 769,281,742.01 and 306,563,606.64

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Solution

The fourth proportional to 557,415,015.62, 769,281,742.01 and 306,563,606.64 is: 423,084,737.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,415,015.62 : 769,281,742.01 = 306,563,606.64 : x
  2. Step 2: Convert to fraction form
    557,415,015.62/769,281,742.01 = 306,563,606.64/x
  3. Step 3: Cross multiply
    557,415,015.62x = 769,281,742.01 × 306,563,606.64
  4. Step 4: Simplify right side
    557,415,015.62x = 235,833,785,351,354,784
  5. Step 5: Solve for x
    x = 235,833,785,351,354,784/557,415,015.62
  6. Step 6: Final answer
    x = 423,084,737.13

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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.