Home / 14,571,214,549.12-20,108,282,805.48-7,888,211,113.87

Finding the Fourth Proportional to 14,571,214,549.12, 20,108,282,805.48 and 7,888,211,113.87

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Solution

The fourth proportional to 14,571,214,549.12, 20,108,282,805.48 and 7,888,211,113.87 is: 10,885,734,979.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,571,214,549.12 : 20,108,282,805.48 = 7,888,211,113.87 : x
  2. Step 2: Convert to fraction form
    14,571,214,549.12/20,108,282,805.48 = 7,888,211,113.87/x
  3. Step 3: Cross multiply
    14,571,214,549.12x = 20,108,282,805.48 × 7,888,211,113.87
  4. Step 4: Simplify right side
    14,571,214,549.12x = 158,618,379,907,028,353,024
  5. Step 5: Solve for x
    x = 158,618,379,907,028,353,024/14,571,214,549.12
  6. Step 6: Final answer
    x = 10,885,734,979.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.