Home / 290,606,870,026.82-436,132,796,800.74-131,541,674,849.54

Finding the Fourth Proportional to 290,606,870,026.82, 436,132,796,800.74 and 131,541,674,849.54

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Solution

The fourth proportional to 290,606,870,026.82, 436,132,796,800.74 and 131,541,674,849.54 is: 197,413,222,002.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,606,870,026.82 : 436,132,796,800.74 = 131,541,674,849.54 : x
  2. Step 2: Convert to fraction form
    290,606,870,026.82/436,132,796,800.74 = 131,541,674,849.54/x
  3. Step 3: Cross multiply
    290,606,870,026.82x = 436,132,796,800.74 × 131,541,674,849.54
  4. Step 4: Simplify right side
    290,606,870,026.82x = 57,369,638,547,983,435,825,152
  5. Step 5: Solve for x
    x = 57,369,638,547,983,435,825,152/290,606,870,026.82
  6. Step 6: Final answer
    x = 197,413,222,002.25

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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.