Home / 21,058,106,606.30-31,587,157,991.38-9,267,225,074.84

Finding the Fourth Proportional to 21,058,106,606.30, 31,587,157,991.38 and 9,267,225,074.84

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Solution

The fourth proportional to 21,058,106,606.30, 31,587,157,991.38 and 9,267,225,074.84 is: 13,900,836,768.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,058,106,606.30 : 31,587,157,991.38 = 9,267,225,074.84 : x
  2. Step 2: Convert to fraction form
    21,058,106,606.30/31,587,157,991.38 = 9,267,225,074.84/x
  3. Step 3: Cross multiply
    21,058,106,606.30x = 31,587,157,991.38 × 9,267,225,074.84
  4. Step 4: Simplify right side
    21,058,106,606.30x = 292,725,302,580,649,426,944
  5. Step 5: Solve for x
    x = 292,725,302,580,649,426,944/21,058,106,606.30
  6. Step 6: Final answer
    x = 13,900,836,768.16

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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.