Home / 472,393,885.20-708,282,898.20-424,020,944.40

Finding the Fourth Proportional to 472,393,885.20, 708,282,898.20 and 424,020,944.40

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Solution

The fourth proportional to 472,393,885.20, 708,282,898.20 and 424,020,944.40 is: 635,755,018.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,885.20 : 708,282,898.20 = 424,020,944.40 : x
  2. Step 2: Convert to fraction form
    472,393,885.20/708,282,898.20 = 424,020,944.40/x
  3. Step 3: Cross multiply
    472,393,885.20x = 708,282,898.20 × 424,020,944.40
  4. Step 4: Simplify right side
    472,393,885.20x = 300,326,783,397,133,056
  5. Step 5: Solve for x
    x = 300,326,783,397,133,056/472,393,885.20
  6. Step 6: Final answer
    x = 635,755,018.87

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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.