Home / 420,282,957,817.16-579,991,041,103.18-227,595,463,051.80

Finding the Fourth Proportional to 420,282,957,817.16, 579,991,041,103.18 and 227,595,463,051.80

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Solution

The fourth proportional to 420,282,957,817.16, 579,991,041,103.18 and 227,595,463,051.80 is: 314,082,041,897.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,282,957,817.16 : 579,991,041,103.18 = 227,595,463,051.80 : x
  2. Step 2: Convert to fraction form
    420,282,957,817.16/579,991,041,103.18 = 227,595,463,051.80/x
  3. Step 3: Cross multiply
    420,282,957,817.16x = 579,991,041,103.18 × 227,595,463,051.80
  4. Step 4: Simplify right side
    420,282,957,817.16x = 132,003,329,565,773,831,077,888
  5. Step 5: Solve for x
    x = 132,003,329,565,773,831,077,888/420,282,957,817.16
  6. Step 6: Final answer
    x = 314,082,041,897.12

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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.