Home / 19,315,632,227.60-28,973,448,341.40-15,825,978,045.20

Finding the Fourth Proportional to 19,315,632,227.60, 28,973,448,341.40 and 15,825,978,045.20

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Solution

The fourth proportional to 19,315,632,227.60, 28,973,448,341.40 and 15,825,978,045.20 is: 23,738,967,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,632,227.60 : 28,973,448,341.40 = 15,825,978,045.20 : x
  2. Step 2: Convert to fraction form
    19,315,632,227.60/28,973,448,341.40 = 15,825,978,045.20/x
  3. Step 3: Cross multiply
    19,315,632,227.60x = 28,973,448,341.40 × 15,825,978,045.20
  4. Step 4: Simplify right side
    19,315,632,227.60x = 458,533,157,344,732,774,400
  5. Step 5: Solve for x
    x = 458,533,157,344,732,774,400/19,315,632,227.60
  6. Step 6: Final answer
    x = 23,738,967,067.80

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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.