Home / 669,562,444.80-1,002,552,076.80-425,906,150.40

Finding the Fourth Proportional to 669,562,444.80, 1,002,552,076.80 and 425,906,150.40

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Solution

The fourth proportional to 669,562,444.80, 1,002,552,076.80 and 425,906,150.40 is: 637,719,601.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,562,444.80 : 1,002,552,076.80 = 425,906,150.40 : x
  2. Step 2: Convert to fraction form
    669,562,444.80/1,002,552,076.80 = 425,906,150.40/x
  3. Step 3: Cross multiply
    669,562,444.80x = 1,002,552,076.80 × 425,906,150.40
  4. Step 4: Simplify right side
    669,562,444.80x = 426,993,095,605,413,120
  5. Step 5: Solve for x
    x = 426,993,095,605,413,120/669,562,444.80
  6. Step 6: Final answer
    x = 637,719,601.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.