Home / 6,651,455,687.37-9,975,912,008.85-1,993,329,651.51

Finding the Fourth Proportional to 6,651,455,687.37, 9,975,912,008.85 and 1,993,329,651.51

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Solution

The fourth proportional to 6,651,455,687.37, 9,975,912,008.85 and 1,993,329,651.51 is: 2,989,613,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651,455,687.37 : 9,975,912,008.85 = 1,993,329,651.51 : x
  2. Step 2: Convert to fraction form
    6,651,455,687.37/9,975,912,008.85 = 1,993,329,651.51/x
  3. Step 3: Cross multiply
    6,651,455,687.37x = 9,975,912,008.85 × 1,993,329,651.51
  4. Step 4: Simplify right side
    6,651,455,687.37x = 19,885,281,208,095,395,840
  5. Step 5: Solve for x
    x = 19,885,281,208,095,395,840/6,651,455,687.37
  6. Step 6: Final answer
    x = 2,989,613,423.40

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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.