Home / 1,489,488,696.96-2,055,494,377.44-863,320,322.40

Finding the Fourth Proportional to 1,489,488,696.96, 2,055,494,377.44 and 863,320,322.40

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Solution

The fourth proportional to 1,489,488,696.96, 2,055,494,377.44 and 863,320,322.40 is: 1,191,382,030.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,488,696.96 : 2,055,494,377.44 = 863,320,322.40 : x
  2. Step 2: Convert to fraction form
    1,489,488,696.96/2,055,494,377.44 = 863,320,322.40/x
  3. Step 3: Cross multiply
    1,489,488,696.96x = 2,055,494,377.44 × 863,320,322.40
  4. Step 4: Simplify right side
    1,489,488,696.96x = 1,774,550,068,622,888,192
  5. Step 5: Solve for x
    x = 1,774,550,068,622,888,192/1,489,488,696.96
  6. Step 6: Final answer
    x = 1,191,382,030.79

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1.5x scale

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.