Home / 257,551,488.54-384,582,703.55-204,433,215.39

Finding the Fourth Proportional to 257,551,488.54, 384,582,703.55 and 204,433,215.39

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Solution

The fourth proportional to 257,551,488.54, 384,582,703.55 and 204,433,215.39 is: 305,265,091.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,551,488.54 : 384,582,703.55 = 204,433,215.39 : x
  2. Step 2: Convert to fraction form
    257,551,488.54/384,582,703.55 = 204,433,215.39/x
  3. Step 3: Cross multiply
    257,551,488.54x = 384,582,703.55 × 204,433,215.39
  4. Step 4: Simplify right side
    257,551,488.54x = 78,621,478,669,083,504
  5. Step 5: Solve for x
    x = 78,621,478,669,083,504/257,551,488.54
  6. Step 6: Final answer
    x = 305,265,091.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.