Home / 420,282,957,815.17-579,991,041,100.44-227,595,463,049.80

Finding the Fourth Proportional to 420,282,957,815.17, 579,991,041,100.44 and 227,595,463,049.80

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Solution

The fourth proportional to 420,282,957,815.17, 579,991,041,100.44 and 227,595,463,049.80 is: 314,082,041,894.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,282,957,815.17 : 579,991,041,100.44 = 227,595,463,049.80 : x
  2. Step 2: Convert to fraction form
    420,282,957,815.17/579,991,041,100.44 = 227,595,463,049.80/x
  3. Step 3: Cross multiply
    420,282,957,815.17x = 579,991,041,100.44 × 227,595,463,049.80
  4. Step 4: Simplify right side
    420,282,957,815.17x = 132,003,329,563,990,211,690,496
  5. Step 5: Solve for x
    x = 132,003,329,563,990,211,690,496/420,282,957,815.17
  6. Step 6: Final answer
    x = 314,082,041,894.36

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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.