Home / 500,285,156.05-690,393,579.83-277,281,234.42

Finding the Fourth Proportional to 500,285,156.05, 690,393,579.83 and 277,281,234.42

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Solution

The fourth proportional to 500,285,156.05, 690,393,579.83 and 277,281,234.42 is: 382,648,139.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,285,156.05 : 690,393,579.83 = 277,281,234.42 : x
  2. Step 2: Convert to fraction form
    500,285,156.05/690,393,579.83 = 277,281,234.42/x
  3. Step 3: Cross multiply
    500,285,156.05x = 690,393,579.83 × 277,281,234.42
  4. Step 4: Simplify right side
    500,285,156.05x = 191,433,184,050,905,248
  5. Step 5: Solve for x
    x = 191,433,184,050,905,248/500,285,156.05
  6. Step 6: Final answer
    x = 382,648,139.24

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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.