Home / 458,544,789.71-632,818,376.34-345,311,574.38

Finding the Fourth Proportional to 458,544,789.71, 632,818,376.34 and 345,311,574.38

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Solution

The fourth proportional to 458,544,789.71, 632,818,376.34 and 345,311,574.38 is: 476,549,978.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,544,789.71 : 632,818,376.34 = 345,311,574.38 : x
  2. Step 2: Convert to fraction form
    458,544,789.71/632,818,376.34 = 345,311,574.38/x
  3. Step 3: Cross multiply
    458,544,789.71x = 632,818,376.34 × 345,311,574.38
  4. Step 4: Simplify right side
    458,544,789.71x = 218,519,509,830,560,736
  5. Step 5: Solve for x
    x = 218,519,509,830,560,736/458,544,789.71
  6. Step 6: Final answer
    x = 476,549,978.83

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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.