Home / 1,245,705,653.29-1,718,263,795.35-798,961,401.91

Finding the Fourth Proportional to 1,245,705,653.29, 1,718,263,795.35 and 798,961,401.91

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Solution

The fourth proportional to 1,245,705,653.29, 1,718,263,795.35 and 798,961,401.91 is: 1,102,047,218.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,705,653.29 : 1,718,263,795.35 = 798,961,401.91 : x
  2. Step 2: Convert to fraction form
    1,245,705,653.29/1,718,263,795.35 = 798,961,401.91/x
  3. Step 3: Cross multiply
    1,245,705,653.29x = 1,718,263,795.35 × 798,961,401.91
  4. Step 4: Simplify right side
    1,245,705,653.29x = 1,372,826,450,786,962,944
  5. Step 5: Solve for x
    x = 1,372,826,450,786,962,944/1,245,705,653.29
  6. Step 6: Final answer
    x = 1,102,047,218.91

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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.