Home / 823,601,848.86-1,235,401,730.01-210,186,088.38

Finding the Fourth Proportional to 823,601,848.86, 1,235,401,730.01 and 210,186,088.38

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Solution

The fourth proportional to 823,601,848.86, 1,235,401,730.01 and 210,186,088.38 is: 315,278,866.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,601,848.86 : 1,235,401,730.01 = 210,186,088.38 : x
  2. Step 2: Convert to fraction form
    823,601,848.86/1,235,401,730.01 = 210,186,088.38/x
  3. Step 3: Cross multiply
    823,601,848.86x = 1,235,401,730.01 × 210,186,088.38
  4. Step 4: Simplify right side
    823,601,848.86x = 259,664,257,208,686,752
  5. Step 5: Solve for x
    x = 259,664,257,208,686,752/823,601,848.86
  6. Step 6: Final answer
    x = 315,278,866.32

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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.