Home / 622,404,782.96-858,921,278.46-340,153,012.40

Finding the Fourth Proportional to 622,404,782.96, 858,921,278.46 and 340,153,012.40

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Solution

The fourth proportional to 622,404,782.96, 858,921,278.46 and 340,153,012.40 is: 469,412,620.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,404,782.96 : 858,921,278.46 = 340,153,012.40 : x
  2. Step 2: Convert to fraction form
    622,404,782.96/858,921,278.46 = 340,153,012.40/x
  3. Step 3: Cross multiply
    622,404,782.96x = 858,921,278.46 × 340,153,012.40
  4. Step 4: Simplify right side
    622,404,782.96x = 292,164,660,282,628,224
  5. Step 5: Solve for x
    x = 292,164,660,282,628,224/622,404,782.96
  6. Step 6: Final answer
    x = 469,412,620.66

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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.