Home / 500,868,893,285.10-691,161,139,850.48-281,095,139,953.72

Finding the Fourth Proportional to 500,868,893,285.10, 691,161,139,850.48 and 281,095,139,953.72

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Solution

The fourth proportional to 500,868,893,285.10, 691,161,139,850.48 and 281,095,139,953.72 is: 387,890,004,632.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,868,893,285.10 : 691,161,139,850.48 = 281,095,139,953.72 : x
  2. Step 2: Convert to fraction form
    500,868,893,285.10/691,161,139,850.48 = 281,095,139,953.72/x
  3. Step 3: Cross multiply
    500,868,893,285.10x = 691,161,139,850.48 × 281,095,139,953.72
  4. Step 4: Simplify right side
    500,868,893,285.10x = 194,282,037,336,843,277,565,952
  5. Step 5: Solve for x
    x = 194,282,037,336,843,277,565,952/500,868,893,285.10
  6. Step 6: Final answer
    x = 387,890,004,632.92

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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.