Home / 571,628,128.17-788,555,965.98-373,505,445.93

Finding the Fourth Proportional to 571,628,128.17, 788,555,965.98 and 373,505,445.93

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Solution

The fourth proportional to 571,628,128.17, 788,555,965.98 and 373,505,445.93 is: 515,247,471.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,628,128.17 : 788,555,965.98 = 373,505,445.93 : x
  2. Step 2: Convert to fraction form
    571,628,128.17/788,555,965.98 = 373,505,445.93/x
  3. Step 3: Cross multiply
    571,628,128.17x = 788,555,965.98 × 373,505,445.93
  4. Step 4: Simplify right side
    571,628,128.17x = 294,529,947,714,121,792
  5. Step 5: Solve for x
    x = 294,529,947,714,121,792/571,628,128.17
  6. Step 6: Final answer
    x = 515,247,471.56

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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.