Home / 20,111,973,606.93-30,157,485,253.29-9,485,344,665.56

Finding the Fourth Proportional to 20,111,973,606.93, 30,157,485,253.29 and 9,485,344,665.56

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Solution

The fourth proportional to 20,111,973,606.93, 30,157,485,253.29 and 9,485,344,665.56 is: 14,223,076,634.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,111,973,606.93 : 30,157,485,253.29 = 9,485,344,665.56 : x
  2. Step 2: Convert to fraction form
    20,111,973,606.93/30,157,485,253.29 = 9,485,344,665.56/x
  3. Step 3: Cross multiply
    20,111,973,606.93x = 30,157,485,253.29 × 9,485,344,665.56
  4. Step 4: Simplify right side
    20,111,973,606.93x = 286,054,141,874,074,058,752
  5. Step 5: Solve for x
    x = 286,054,141,874,074,058,752/20,111,973,606.93
  6. Step 6: Final answer
    x = 14,223,076,634.09

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1.5x scale

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.