Home / 397,075,313.95-595,394,277-163,853,012.78

Finding the Fourth Proportional to 397,075,313.95, 595,394,277 and 163,853,012.78

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Solution

The fourth proportional to 397,075,313.95, 595,394,277 and 163,853,012.78 is: 245,689,275.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,075,313.95 : 595,394,277 = 163,853,012.78 : x
  2. Step 2: Convert to fraction form
    397,075,313.95/595,394,277 = 163,853,012.78/x
  3. Step 3: Cross multiply
    397,075,313.95x = 595,394,277 × 163,853,012.78
  4. Step 4: Simplify right side
    397,075,313.95x = 97,557,146,078,419,856
  5. Step 5: Solve for x
    x = 97,557,146,078,419,856/397,075,313.95
  6. Step 6: Final answer
    x = 245,689,275.19

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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.