Home / 1,098,247,993.40-1,515,675,698.70-622,023,073.40

Finding the Fourth Proportional to 1,098,247,993.40, 1,515,675,698.70 and 622,023,073.40

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Solution

The fourth proportional to 1,098,247,993.40, 1,515,675,698.70 and 622,023,073.40 is: 858,444,779.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,247,993.40 : 1,515,675,698.70 = 622,023,073.40 : x
  2. Step 2: Convert to fraction form
    1,098,247,993.40/1,515,675,698.70 = 622,023,073.40/x
  3. Step 3: Cross multiply
    1,098,247,993.40x = 1,515,675,698.70 × 622,023,073.40
  4. Step 4: Simplify right side
    1,098,247,993.40x = 942,785,256,383,066,368
  5. Step 5: Solve for x
    x = 942,785,256,383,066,368/1,098,247,993.40
  6. Step 6: Final answer
    x = 858,444,779.37

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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.