Home / 288,772,530.91-398,557,031.24-171,362,599.38

Finding the Fourth Proportional to 288,772,530.91, 398,557,031.24 and 171,362,599.38

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Solution

The fourth proportional to 288,772,530.91, 398,557,031.24 and 171,362,599.38 is: 236,510,614.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,772,530.91 : 398,557,031.24 = 171,362,599.38 : x
  2. Step 2: Convert to fraction form
    288,772,530.91/398,557,031.24 = 171,362,599.38/x
  3. Step 3: Cross multiply
    288,772,530.91x = 398,557,031.24 × 171,362,599.38
  4. Step 4: Simplify right side
    288,772,530.91x = 68,297,768,874,890,672
  5. Step 5: Solve for x
    x = 68,297,768,874,890,672/288,772,530.91
  6. Step 6: Final answer
    x = 236,510,614.98

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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.