Home / 823,601,848.61-1,235,401,729.64-210,186,088.13

Finding the Fourth Proportional to 823,601,848.61, 1,235,401,729.64 and 210,186,088.13

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Solution

The fourth proportional to 823,601,848.61, 1,235,401,729.64 and 210,186,088.13 is: 315,278,865.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,601,848.61 : 1,235,401,729.64 = 210,186,088.13 : x
  2. Step 2: Convert to fraction form
    823,601,848.61/1,235,401,729.64 = 210,186,088.13/x
  3. Step 3: Cross multiply
    823,601,848.61x = 1,235,401,729.64 × 210,186,088.13
  4. Step 4: Simplify right side
    823,601,848.61x = 259,664,256,822,067,488
  5. Step 5: Solve for x
    x = 259,664,256,822,067,488/823,601,848.61
  6. Step 6: Final answer
    x = 315,278,865.95

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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.