Home / 620,496,743.60-856,278,534.66-338,233,004.32

Finding the Fourth Proportional to 620,496,743.60, 856,278,534.66 and 338,233,004.32

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Solution

The fourth proportional to 620,496,743.60, 856,278,534.66 and 338,233,004.32 is: 466,757,745.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,496,743.60 : 856,278,534.66 = 338,233,004.32 : x
  2. Step 2: Convert to fraction form
    620,496,743.60/856,278,534.66 = 338,233,004.32/x
  3. Step 3: Cross multiply
    620,496,743.60x = 856,278,534.66 × 338,233,004.32
  4. Step 4: Simplify right side
    620,496,743.60x = 289,621,661,312,779,008
  5. Step 5: Solve for x
    x = 289,621,661,312,779,008/620,496,743.60
  6. Step 6: Final answer
    x = 466,757,745.79

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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.