Home / 567,256,784.64-782,814,365.28-306,496,400.64

Finding the Fourth Proportional to 567,256,784.64, 782,814,365.28 and 306,496,400.64

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Solution

The fourth proportional to 567,256,784.64, 782,814,365.28 and 306,496,400.64 is: 422,965,034.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,256,784.64 : 782,814,365.28 = 306,496,400.64 : x
  2. Step 2: Convert to fraction form
    567,256,784.64/782,814,365.28 = 306,496,400.64/x
  3. Step 3: Cross multiply
    567,256,784.64x = 782,814,365.28 × 306,496,400.64
  4. Step 4: Simplify right side
    567,256,784.64x = 239,929,785,327,606,176
  5. Step 5: Solve for x
    x = 239,929,785,327,606,176/567,256,784.64
  6. Step 6: Final answer
    x = 422,965,034.22

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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.