Home / 1,036,825,493.46-1,555,239,737.03-423,409,719.21

Finding the Fourth Proportional to 1,036,825,493.46, 1,555,239,737.03 and 423,409,719.21

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Solution

The fourth proportional to 1,036,825,493.46, 1,555,239,737.03 and 423,409,719.21 is: 635,115,190.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,825,493.46 : 1,555,239,737.03 = 423,409,719.21 : x
  2. Step 2: Convert to fraction form
    1,036,825,493.46/1,555,239,737.03 = 423,409,719.21/x
  3. Step 3: Cross multiply
    1,036,825,493.46x = 1,555,239,737.03 × 423,409,719.21
  4. Step 4: Simplify right side
    1,036,825,493.46x = 658,503,620,360,106,496
  5. Step 5: Solve for x
    x = 658,503,620,360,106,496/1,036,825,493.46
  6. Step 6: Final answer
    x = 635,115,190.08

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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.