Home / 382,384,438.40-573,575,782.68-163,893,107.36

Finding the Fourth Proportional to 382,384,438.40, 573,575,782.68 and 163,893,107.36

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Solution

The fourth proportional to 382,384,438.40, 573,575,782.68 and 163,893,107.36 is: 245,839,286.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,384,438.40 : 573,575,782.68 = 163,893,107.36 : x
  2. Step 2: Convert to fraction form
    382,384,438.40/573,575,782.68 = 163,893,107.36/x
  3. Step 3: Cross multiply
    382,384,438.40x = 573,575,782.68 × 163,893,107.36
  4. Step 4: Simplify right side
    382,384,438.40x = 94,005,117,329,869,264
  5. Step 5: Solve for x
    x = 94,005,117,329,869,264/382,384,438.40
  6. Step 6: Final answer
    x = 245,839,286.04

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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.