Home / 1,245,705,530.45-1,718,263,625.81-798,961,279.07

Finding the Fourth Proportional to 1,245,705,530.45, 1,718,263,625.81 and 798,961,279.07

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Solution

The fourth proportional to 1,245,705,530.45, 1,718,263,625.81 and 798,961,279.07 is: 1,102,047,049.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,705,530.45 : 1,718,263,625.81 = 798,961,279.07 : x
  2. Step 2: Convert to fraction form
    1,245,705,530.45/1,718,263,625.81 = 798,961,279.07/x
  3. Step 3: Cross multiply
    1,245,705,530.45x = 1,718,263,625.81 × 798,961,279.07
  4. Step 4: Simplify right side
    1,245,705,530.45x = 1,372,826,104,256,613,632
  5. Step 5: Solve for x
    x = 1,372,826,104,256,613,632/1,245,705,530.45
  6. Step 6: Final answer
    x = 1,102,047,049.40

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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.