Home / 436,162,021.80-654,243,032.70-313,718,015.40

Finding the Fourth Proportional to 436,162,021.80, 654,243,032.70 and 313,718,015.40

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Solution

The fourth proportional to 436,162,021.80, 654,243,032.70 and 313,718,015.40 is: 470,577,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,162,021.80 : 654,243,032.70 = 313,718,015.40 : x
  2. Step 2: Convert to fraction form
    436,162,021.80/654,243,032.70 = 313,718,015.40/x
  3. Step 3: Cross multiply
    436,162,021.80x = 654,243,032.70 × 313,718,015.40
  4. Step 4: Simplify right side
    436,162,021.80x = 205,247,825,807,921,312
  5. Step 5: Solve for x
    x = 205,247,825,807,921,312/436,162,021.80
  6. Step 6: Final answer
    x = 470,577,023.10

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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.