Home / 400,751,456,888.94-553,033,081,536.84-217,837,675,566.54

Finding the Fourth Proportional to 400,751,456,888.94, 553,033,081,536.84 and 217,837,675,566.54

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Solution

The fourth proportional to 400,751,456,888.94, 553,033,081,536.84 and 217,837,675,566.54 is: 300,613,856,599.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,751,456,888.94 : 553,033,081,536.84 = 217,837,675,566.54 : x
  2. Step 2: Convert to fraction form
    400,751,456,888.94/553,033,081,536.84 = 217,837,675,566.54/x
  3. Step 3: Cross multiply
    400,751,456,888.94x = 553,033,081,536.84 × 217,837,675,566.54
  4. Step 4: Simplify right side
    400,751,456,888.94x = 120,471,440,993,386,019,946,496
  5. Step 5: Solve for x
    x = 120,471,440,993,386,019,946,496/400,751,456,888.94
  6. Step 6: Final answer
    x = 300,613,856,599.83

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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.