Home / 472,778,734.62-652,608,758.07-284,615,777.82

Finding the Fourth Proportional to 472,778,734.62, 652,608,758.07 and 284,615,777.82

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Solution

The fourth proportional to 472,778,734.62, 652,608,758.07 and 284,615,777.82 is: 392,874,585.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,778,734.62 : 652,608,758.07 = 284,615,777.82 : x
  2. Step 2: Convert to fraction form
    472,778,734.62/652,608,758.07 = 284,615,777.82/x
  3. Step 3: Cross multiply
    472,778,734.62x = 652,608,758.07 × 284,615,777.82
  4. Step 4: Simplify right side
    472,778,734.62x = 185,742,749,290,237,248
  5. Step 5: Solve for x
    x = 185,742,749,290,237,248/472,778,734.62
  6. Step 6: Final answer
    x = 392,874,585.27

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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.