Home / 668,917,737-923,106,477.06-375,568,603.56

Finding the Fourth Proportional to 668,917,737, 923,106,477.06 and 375,568,603.56

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Solution

The fourth proportional to 668,917,737, 923,106,477.06 and 375,568,603.56 is: 518,284,672.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,917,737 : 923,106,477.06 = 375,568,603.56 : x
  2. Step 2: Convert to fraction form
    668,917,737/923,106,477.06 = 375,568,603.56/x
  3. Step 3: Cross multiply
    668,917,737x = 923,106,477.06 × 375,568,603.56
  4. Step 4: Simplify right side
    668,917,737x = 346,689,810,526,615,360
  5. Step 5: Solve for x
    x = 346,689,810,526,615,360/668,917,737
  6. Step 6: Final answer
    x = 518,284,672.91

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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.