Home / 380,632,265,639.40-571,183,240,454.95-176,387,382,351.33

Finding the Fourth Proportional to 380,632,265,639.40, 571,183,240,454.95 and 176,387,382,351.33

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Solution

The fourth proportional to 380,632,265,639.40, 571,183,240,454.95 and 176,387,382,351.33 is: 264,689,900,782.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,632,265,639.40 : 571,183,240,454.95 = 176,387,382,351.33 : x
  2. Step 2: Convert to fraction form
    380,632,265,639.40/571,183,240,454.95 = 176,387,382,351.33/x
  3. Step 3: Cross multiply
    380,632,265,639.40x = 571,183,240,454.95 × 176,387,382,351.33
  4. Step 4: Simplify right side
    380,632,265,639.40x = 100,749,516,626,798,917,451,776
  5. Step 5: Solve for x
    x = 100,749,516,626,798,917,451,776/380,632,265,639.40
  6. Step 6: Final answer
    x = 264,689,900,782.73

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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.