Home / 8,240,102,188.80-11,401,285,006.26-7,185,030,403.20

Finding the Fourth Proportional to 8,240,102,188.80, 11,401,285,006.26 and 7,185,030,403.20

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Solution

The fourth proportional to 8,240,102,188.80, 11,401,285,006.26 and 7,185,030,403.20 is: 9,941,451,881.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240,102,188.80 : 11,401,285,006.26 = 7,185,030,403.20 : x
  2. Step 2: Convert to fraction form
    8,240,102,188.80/11,401,285,006.26 = 7,185,030,403.20/x
  3. Step 3: Cross multiply
    8,240,102,188.80x = 11,401,285,006.26 × 7,185,030,403.20
  4. Step 4: Simplify right side
    8,240,102,188.80x = 81,918,579,405,526,401,024
  5. Step 5: Solve for x
    x = 81,918,579,405,526,401,024/8,240,102,188.80
  6. Step 6: Final answer
    x = 9,941,451,881.13

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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.