Home / 1,036,825,489.64-1,555,239,731.29-423,409,715.39

Finding the Fourth Proportional to 1,036,825,489.64, 1,555,239,731.29 and 423,409,715.39

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Solution

The fourth proportional to 1,036,825,489.64, 1,555,239,731.29 and 423,409,715.39 is: 635,115,184.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,825,489.64 : 1,555,239,731.29 = 423,409,715.39 : x
  2. Step 2: Convert to fraction form
    1,036,825,489.64/1,555,239,731.29 = 423,409,715.39/x
  3. Step 3: Cross multiply
    1,036,825,489.64x = 1,555,239,731.29 × 423,409,715.39
  4. Step 4: Simplify right side
    1,036,825,489.64x = 658,503,611,993,919,616
  5. Step 5: Solve for x
    x = 658,503,611,993,919,616/1,036,825,489.64
  6. Step 6: Final answer
    x = 635,115,184.35

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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.