Home / 1,179,558,460.80-1,767,081,614.40-634,118,716.80

Finding the Fourth Proportional to 1,179,558,460.80, 1,767,081,614.40 and 634,118,716.80

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Solution

The fourth proportional to 1,179,558,460.80, 1,767,081,614.40 and 634,118,716.80 is: 949,965,231.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,558,460.80 : 1,767,081,614.40 = 634,118,716.80 : x
  2. Step 2: Convert to fraction form
    1,179,558,460.80/1,767,081,614.40 = 634,118,716.80/x
  3. Step 3: Cross multiply
    1,179,558,460.80x = 1,767,081,614.40 × 634,118,716.80
  4. Step 4: Simplify right side
    1,179,558,460.80x = 1,120,539,525,804,200,320
  5. Step 5: Solve for x
    x = 1,120,539,525,804,200,320/1,179,558,460.80
  6. Step 6: Final answer
    x = 949,965,231.10

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Double scale
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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.