Home / 979,992,175.80-1,352,419,821.90-562,380,851.64

Finding the Fourth Proportional to 979,992,175.80, 1,352,419,821.90 and 562,380,851.64

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Solution

The fourth proportional to 979,992,175.80, 1,352,419,821.90 and 562,380,851.64 is: 776,103,146.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,992,175.80 : 1,352,419,821.90 = 562,380,851.64 : x
  2. Step 2: Convert to fraction form
    979,992,175.80/1,352,419,821.90 = 562,380,851.64/x
  3. Step 3: Cross multiply
    979,992,175.80x = 1,352,419,821.90 × 562,380,851.64
  4. Step 4: Simplify right side
    979,992,175.80x = 760,575,011,214,939,136
  5. Step 5: Solve for x
    x = 760,575,011,214,939,136/979,992,175.80
  6. Step 6: Final answer
    x = 776,103,146.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.