Home / 20,111,973,608.94-30,157,485,256.28-9,485,344,667.56

Finding the Fourth Proportional to 20,111,973,608.94, 30,157,485,256.28 and 9,485,344,667.56

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Solution

The fourth proportional to 20,111,973,608.94, 30,157,485,256.28 and 9,485,344,667.56 is: 14,223,076,637.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,111,973,608.94 : 30,157,485,256.28 = 9,485,344,667.56 : x
  2. Step 2: Convert to fraction form
    20,111,973,608.94/30,157,485,256.28 = 9,485,344,667.56/x
  3. Step 3: Cross multiply
    20,111,973,608.94x = 30,157,485,256.28 × 9,485,344,667.56
  4. Step 4: Simplify right side
    20,111,973,608.94x = 286,054,141,962,674,798,592
  5. Step 5: Solve for x
    x = 286,054,141,962,674,798,592/20,111,973,608.94
  6. Step 6: Final answer
    x = 14,223,076,637.07

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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.