Home / 788,712,045.76-1,183,175,679.84-328,542,598.56

Finding the Fourth Proportional to 788,712,045.76, 1,183,175,679.84 and 328,542,598.56

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Solution

The fourth proportional to 788,712,045.76, 1,183,175,679.84 and 328,542,598.56 is: 492,858,723.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,712,045.76 : 1,183,175,679.84 = 328,542,598.56 : x
  2. Step 2: Convert to fraction form
    788,712,045.76/1,183,175,679.84 = 328,542,598.56/x
  3. Step 3: Cross multiply
    788,712,045.76x = 1,183,175,679.84 × 328,542,598.56
  4. Step 4: Simplify right side
    788,712,045.76x = 388,723,612,407,628,160
  5. Step 5: Solve for x
    x = 388,723,612,407,628,160/788,712,045.76
  6. Step 6: Final answer
    x = 492,858,723.91

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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.