Home / 53,471,770,817.84-80,210,320,401.24-20,349,886,065.20

Finding the Fourth Proportional to 53,471,770,817.84, 80,210,320,401.24 and 20,349,886,065.20

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Solution

The fourth proportional to 53,471,770,817.84, 80,210,320,401.24 and 20,349,886,065.20 is: 30,525,843,009.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,471,770,817.84 : 80,210,320,401.24 = 20,349,886,065.20 : x
  2. Step 2: Convert to fraction form
    53,471,770,817.84/80,210,320,401.24 = 20,349,886,065.20/x
  3. Step 3: Cross multiply
    53,471,770,817.84x = 80,210,320,401.24 × 20,349,886,065.20
  4. Step 4: Simplify right side
    53,471,770,817.84x = 1,632,270,881,418,421,207,040
  5. Step 5: Solve for x
    x = 1,632,270,881,418,421,207,040/53,471,770,817.84
  6. Step 6: Final answer
    x = 30,525,843,009.37

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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.