Home / 1,088,420,043.63-1,632,295,192.01-311,857,634.19

Finding the Fourth Proportional to 1,088,420,043.63, 1,632,295,192.01 and 311,857,634.19

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Solution

The fourth proportional to 1,088,420,043.63, 1,632,295,192.01 and 311,857,634.19 is: 467,690,502.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,420,043.63 : 1,632,295,192.01 = 311,857,634.19 : x
  2. Step 2: Convert to fraction form
    1,088,420,043.63/1,632,295,192.01 = 311,857,634.19/x
  3. Step 3: Cross multiply
    1,088,420,043.63x = 1,632,295,192.01 × 311,857,634.19
  4. Step 4: Simplify right side
    1,088,420,043.63x = 509,043,716,878,391,104
  5. Step 5: Solve for x
    x = 509,043,716,878,391,104/1,088,420,043.63
  6. Step 6: Final answer
    x = 467,690,502.26

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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.