Home / 720,046,450.30-1,080,069,675.45-538,647,922.30

Finding the Fourth Proportional to 720,046,450.30, 1,080,069,675.45 and 538,647,922.30

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Solution

The fourth proportional to 720,046,450.30, 1,080,069,675.45 and 538,647,922.30 is: 807,971,883.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,046,450.30 : 1,080,069,675.45 = 538,647,922.30 : x
  2. Step 2: Convert to fraction form
    720,046,450.30/1,080,069,675.45 = 538,647,922.30/x
  3. Step 3: Cross multiply
    720,046,450.30x = 1,080,069,675.45 × 538,647,922.30
  4. Step 4: Simplify right side
    720,046,450.30x = 581,777,286,620,377,728
  5. Step 5: Solve for x
    x = 581,777,286,620,377,728/720,046,450.30
  6. Step 6: Final answer
    x = 807,971,883.45

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1.5x scale

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.