Home / 422,891,450.84-634,959,870.24-236,510,556.20

Finding the Fourth Proportional to 422,891,450.84, 634,959,870.24 and 236,510,556.20

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Solution

The fourth proportional to 422,891,450.84, 634,959,870.24 and 236,510,556.20 is: 355,114,088.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,891,450.84 : 634,959,870.24 = 236,510,556.20 : x
  2. Step 2: Convert to fraction form
    422,891,450.84/634,959,870.24 = 236,510,556.20/x
  3. Step 3: Cross multiply
    422,891,450.84x = 634,959,870.24 × 236,510,556.20
  4. Step 4: Simplify right side
    422,891,450.84x = 150,174,712,075,142,208
  5. Step 5: Solve for x
    x = 150,174,712,075,142,208/422,891,450.84
  6. Step 6: Final answer
    x = 355,114,088.44

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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.