Home / 529,635,682.32-730,885,788.72-306,626,767.44

Finding the Fourth Proportional to 529,635,682.32, 730,885,788.72 and 306,626,767.44

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Solution

The fourth proportional to 529,635,682.32, 730,885,788.72 and 306,626,767.44 is: 423,138,308.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,635,682.32 : 730,885,788.72 = 306,626,767.44 : x
  2. Step 2: Convert to fraction form
    529,635,682.32/730,885,788.72 = 306,626,767.44/x
  3. Step 3: Cross multiply
    529,635,682.32x = 730,885,788.72 × 306,626,767.44
  4. Step 4: Simplify right side
    529,635,682.32x = 224,109,146,763,048,416
  5. Step 5: Solve for x
    x = 224,109,146,763,048,416/529,635,682.32
  6. Step 6: Final answer
    x = 423,138,308.55

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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.