Home / 1,179,558,465.80-1,767,081,621.90-634,118,721.80

Finding the Fourth Proportional to 1,179,558,465.80, 1,767,081,621.90 and 634,118,721.80

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Solution

The fourth proportional to 1,179,558,465.80, 1,767,081,621.90 and 634,118,721.80 is: 949,965,238.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,558,465.80 : 1,767,081,621.90 = 634,118,721.80 : x
  2. Step 2: Convert to fraction form
    1,179,558,465.80/1,767,081,621.90 = 634,118,721.80/x
  3. Step 3: Cross multiply
    1,179,558,465.80x = 1,767,081,621.90 × 634,118,721.80
  4. Step 4: Simplify right side
    1,179,558,465.80x = 1,120,539,539,395,498,880
  5. Step 5: Solve for x
    x = 1,120,539,539,395,498,880/1,179,558,465.80
  6. Step 6: Final answer
    x = 949,965,238.59

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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.