Home / 788,346,055.80-1,182,519,083.70-380,199,367.80

Finding the Fourth Proportional to 788,346,055.80, 1,182,519,083.70 and 380,199,367.80

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Solution

The fourth proportional to 788,346,055.80, 1,182,519,083.70 and 380,199,367.80 is: 570,299,051.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,346,055.80 : 1,182,519,083.70 = 380,199,367.80 : x
  2. Step 2: Convert to fraction form
    788,346,055.80/1,182,519,083.70 = 380,199,367.80/x
  3. Step 3: Cross multiply
    788,346,055.80x = 1,182,519,083.70 × 380,199,367.80
  4. Step 4: Simplify right side
    788,346,055.80x = 449,593,008,034,175,296
  5. Step 5: Solve for x
    x = 449,593,008,034,175,296/788,346,055.80
  6. Step 6: Final answer
    x = 570,299,051.70

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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.