Home / 472,778,738.64-652,608,763.60-284,615,781.84

Finding the Fourth Proportional to 472,778,738.64, 652,608,763.60 and 284,615,781.84

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Solution

The fourth proportional to 472,778,738.64, 652,608,763.60 and 284,615,781.84 is: 392,874,590.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,778,738.64 : 652,608,763.60 = 284,615,781.84 : x
  2. Step 2: Convert to fraction form
    472,778,738.64/652,608,763.60 = 284,615,781.84/x
  3. Step 3: Cross multiply
    472,778,738.64x = 652,608,763.60 × 284,615,781.84
  4. Step 4: Simplify right side
    472,778,738.64x = 185,742,753,487,649,728
  5. Step 5: Solve for x
    x = 185,742,753,487,649,728/472,778,738.64
  6. Step 6: Final answer
    x = 392,874,590.81

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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.