Home / 567,256,786.64-782,814,368.04-306,496,402.64

Finding the Fourth Proportional to 567,256,786.64, 782,814,368.04 and 306,496,402.64

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Solution

The fourth proportional to 567,256,786.64, 782,814,368.04 and 306,496,402.64 is: 422,965,036.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,256,786.64 : 782,814,368.04 = 306,496,402.64 : x
  2. Step 2: Convert to fraction form
    567,256,786.64/782,814,368.04 = 306,496,402.64/x
  3. Step 3: Cross multiply
    567,256,786.64x = 782,814,368.04 × 306,496,402.64
  4. Step 4: Simplify right side
    567,256,786.64x = 239,929,787,739,164,960
  5. Step 5: Solve for x
    x = 239,929,787,739,164,960/567,256,786.64
  6. Step 6: Final answer
    x = 422,965,036.98

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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.