Home / 420,282,957,818.16-579,991,041,104.56-227,595,463,052.80

Finding the Fourth Proportional to 420,282,957,818.16, 579,991,041,104.56 and 227,595,463,052.80

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Solution

The fourth proportional to 420,282,957,818.16, 579,991,041,104.56 and 227,595,463,052.80 is: 314,082,041,898.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,282,957,818.16 : 579,991,041,104.56 = 227,595,463,052.80 : x
  2. Step 2: Convert to fraction form
    420,282,957,818.16/579,991,041,104.56 = 227,595,463,052.80/x
  3. Step 3: Cross multiply
    420,282,957,818.16x = 579,991,041,104.56 × 227,595,463,052.80
  4. Step 4: Simplify right side
    420,282,957,818.16x = 132,003,329,566,667,905,695,744
  5. Step 5: Solve for x
    x = 132,003,329,566,667,905,695,744/420,282,957,818.16
  6. Step 6: Final answer
    x = 314,082,041,898.50

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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.