Home / 290,606,870,030.07-436,132,796,805.61-131,541,674,852.79

Finding the Fourth Proportional to 290,606,870,030.07, 436,132,796,805.61 and 131,541,674,852.79

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Solution

The fourth proportional to 290,606,870,030.07, 436,132,796,805.61 and 131,541,674,852.79 is: 197,413,222,007.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,606,870,030.07 : 436,132,796,805.61 = 131,541,674,852.79 : x
  2. Step 2: Convert to fraction form
    290,606,870,030.07/436,132,796,805.61 = 131,541,674,852.79/x
  3. Step 3: Cross multiply
    290,606,870,030.07x = 436,132,796,805.61 × 131,541,674,852.79
  4. Step 4: Simplify right side
    290,606,870,030.07x = 57,369,638,550,041,471,746,048
  5. Step 5: Solve for x
    x = 57,369,638,550,041,471,746,048/290,606,870,030.07
  6. Step 6: Final answer
    x = 197,413,222,007.12

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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.