Home / 21,190,074,024.48-31,784,054,460.72-7,924,357,032.48

Finding the Fourth Proportional to 21,190,074,024.48, 31,784,054,460.72 and 7,924,357,032.48

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Solution

The fourth proportional to 21,190,074,024.48, 31,784,054,460.72 and 7,924,357,032.48 is: 11,886,140,425.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,190,074,024.48 : 31,784,054,460.72 = 7,924,357,032.48 : x
  2. Step 2: Convert to fraction form
    21,190,074,024.48/31,784,054,460.72 = 7,924,357,032.48/x
  3. Step 3: Cross multiply
    21,190,074,024.48x = 31,784,054,460.72 × 7,924,357,032.48
  4. Step 4: Simplify right side
    21,190,074,024.48x = 251,868,195,486,533,844,992
  5. Step 5: Solve for x
    x = 251,868,195,486,533,844,992/21,190,074,024.48
  6. Step 6: Final answer
    x = 11,886,140,425.73

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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.