Home / 384,444,576.75-530,505,973.32-225,681,146.10

Finding the Fourth Proportional to 384,444,576.75, 530,505,973.32 and 225,681,146.10

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Solution

The fourth proportional to 384,444,576.75, 530,505,973.32 and 225,681,146.10 is: 311,423,813.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,444,576.75 : 530,505,973.32 = 225,681,146.10 : x
  2. Step 2: Convert to fraction form
    384,444,576.75/530,505,973.32 = 225,681,146.10/x
  3. Step 3: Cross multiply
    384,444,576.75x = 530,505,973.32 × 225,681,146.10
  4. Step 4: Simplify right side
    384,444,576.75x = 119,725,196,071,753,616
  5. Step 5: Solve for x
    x = 119,725,196,071,753,616/384,444,576.75
  6. Step 6: Final answer
    x = 311,423,813.24

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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.