Home / 286,208,082.20-429,312,123.30-266,052,690.20

Finding the Fourth Proportional to 286,208,082.20, 429,312,123.30 and 266,052,690.20

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Solution

The fourth proportional to 286,208,082.20, 429,312,123.30 and 266,052,690.20 is: 399,079,035.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,208,082.20 : 429,312,123.30 = 266,052,690.20 : x
  2. Step 2: Convert to fraction form
    286,208,082.20/429,312,123.30 = 266,052,690.20/x
  3. Step 3: Cross multiply
    286,208,082.20x = 429,312,123.30 × 266,052,690.20
  4. Step 4: Simplify right side
    286,208,082.20x = 114,219,645,339,439,104
  5. Step 5: Solve for x
    x = 114,219,645,339,439,104/286,208,082.20
  6. Step 6: Final answer
    x = 399,079,035.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.