Home / 497,782,836.40-746,036,525.40-442,938,125.20

Finding the Fourth Proportional to 497,782,836.40, 746,036,525.40 and 442,938,125.20

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Solution

The fourth proportional to 497,782,836.40, 746,036,525.40 and 442,938,125.20 is: 663,839,722.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,782,836.40 : 746,036,525.40 = 442,938,125.20 : x
  2. Step 2: Convert to fraction form
    497,782,836.40/746,036,525.40 = 442,938,125.20/x
  3. Step 3: Cross multiply
    497,782,836.40x = 746,036,525.40 × 442,938,125.20
  4. Step 4: Simplify right side
    497,782,836.40x = 330,448,019,891,398,144
  5. Step 5: Solve for x
    x = 330,448,019,891,398,144/497,782,836.40
  6. Step 6: Final answer
    x = 663,839,722.32

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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.