Home / 663,121,745.03-915,091,977.15-365,757,601.01

Finding the Fourth Proportional to 663,121,745.03, 915,091,977.15 and 365,757,601.01

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Solution

The fourth proportional to 663,121,745.03, 915,091,977.15 and 365,757,601.01 is: 504,736,647.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,121,745.03 : 915,091,977.15 = 365,757,601.01 : x
  2. Step 2: Convert to fraction form
    663,121,745.03/915,091,977.15 = 365,757,601.01/x
  3. Step 3: Cross multiply
    663,121,745.03x = 915,091,977.15 × 365,757,601.01
  4. Step 4: Simplify right side
    663,121,745.03x = 334,701,846,265,881,728
  5. Step 5: Solve for x
    x = 334,701,846,265,881,728/663,121,745.03
  6. Step 6: Final answer
    x = 504,736,647.19

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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.