Home / 5,131,464,456.48-7,081,420,950.09-2,784,621,000.48

Finding the Fourth Proportional to 5,131,464,456.48, 7,081,420,950.09 and 2,784,621,000.48

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Solution

The fourth proportional to 5,131,464,456.48, 7,081,420,950.09 and 2,784,621,000.48 is: 3,842,776,980.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131,464,456.48 : 7,081,420,950.09 = 2,784,621,000.48 : x
  2. Step 2: Convert to fraction form
    5,131,464,456.48/7,081,420,950.09 = 2,784,621,000.48/x
  3. Step 3: Cross multiply
    5,131,464,456.48x = 7,081,420,950.09 × 2,784,621,000.48
  4. Step 4: Simplify right side
    5,131,464,456.48x = 19,719,073,490,859,646,976
  5. Step 5: Solve for x
    x = 19,719,073,490,859,646,976/5,131,464,456.48
  6. Step 6: Final answer
    x = 3,842,776,980.74

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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.