Home / 420,282,957,814.16-579,991,041,099.05-227,595,463,048.80

Finding the Fourth Proportional to 420,282,957,814.16, 579,991,041,099.05 and 227,595,463,048.80

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Solution

The fourth proportional to 420,282,957,814.16, 579,991,041,099.05 and 227,595,463,048.80 is: 314,082,041,892.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,282,957,814.16 : 579,991,041,099.05 = 227,595,463,048.80 : x
  2. Step 2: Convert to fraction form
    420,282,957,814.16/579,991,041,099.05 = 227,595,463,048.80/x
  3. Step 3: Cross multiply
    420,282,957,814.16x = 579,991,041,099.05 × 227,595,463,048.80
  4. Step 4: Simplify right side
    420,282,957,814.16x = 132,003,329,563,093,872,148,480
  5. Step 5: Solve for x
    x = 132,003,329,563,093,872,148,480/420,282,957,814.16
  6. Step 6: Final answer
    x = 314,082,041,892.98

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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.