Home / 25,722,838,571.48-38,579,978,282.66-7,790,953,718.19

Finding the Fourth Proportional to 25,722,838,571.48, 38,579,978,282.66 and 7,790,953,718.19

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Solution

The fourth proportional to 25,722,838,571.48, 38,579,978,282.66 and 7,790,953,718.19 is: 11,685,134,376.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,722,838,571.48 : 38,579,978,282.66 = 7,790,953,718.19 : x
  2. Step 2: Convert to fraction form
    25,722,838,571.48/38,579,978,282.66 = 7,790,953,718.19/x
  3. Step 3: Cross multiply
    25,722,838,571.48x = 38,579,978,282.66 × 7,790,953,718.19
  4. Step 4: Simplify right side
    25,722,838,571.48x = 300,574,825,248,940,425,216
  5. Step 5: Solve for x
    x = 300,574,825,248,940,425,216/25,722,838,571.48
  6. Step 6: Final answer
    x = 11,685,134,376.35

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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.