Home / 10,222,937,889.45-14,005,359,585.28-9,840,647,539.52

Finding the Fourth Proportional to 10,222,937,889.45, 14,005,359,585.28 and 9,840,647,539.52

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Solution

The fourth proportional to 10,222,937,889.45, 14,005,359,585.28 and 9,840,647,539.52 is: 13,481,624,248.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,222,937,889.45 : 14,005,359,585.28 = 9,840,647,539.52 : x
  2. Step 2: Convert to fraction form
    10,222,937,889.45/14,005,359,585.28 = 9,840,647,539.52/x
  3. Step 3: Cross multiply
    10,222,937,889.45x = 14,005,359,585.28 × 9,840,647,539.52
  4. Step 4: Simplify right side
    10,222,937,889.45x = 137,821,807,342,992,490,496
  5. Step 5: Solve for x
    x = 137,821,807,342,992,490,496/10,222,937,889.45
  6. Step 6: Final answer
    x = 13,481,624,248.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.