Home / 420,282,957,846.82-579,991,041,144.15-227,595,463,081.47

Finding the Fourth Proportional to 420,282,957,846.82, 579,991,041,144.15 and 227,595,463,081.47

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Solution

The fourth proportional to 420,282,957,846.82, 579,991,041,144.15 and 227,595,463,081.47 is: 314,082,041,938.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,282,957,846.82 : 579,991,041,144.15 = 227,595,463,081.47 : x
  2. Step 2: Convert to fraction form
    420,282,957,846.82/579,991,041,144.15 = 227,595,463,081.47/x
  3. Step 3: Cross multiply
    420,282,957,846.82x = 579,991,041,144.15 × 227,595,463,081.47
  4. Step 4: Simplify right side
    420,282,957,846.82x = 132,003,329,592,306,746,523,648
  5. Step 5: Solve for x
    x = 132,003,329,592,306,746,523,648/420,282,957,846.82
  6. Step 6: Final answer
    x = 314,082,041,938.08

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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.