Home / 490,605,883,270.50-735,289,796,155.08-248,643,789,016.72

Finding the Fourth Proportional to 490,605,883,270.50, 735,289,796,155.08 and 248,643,789,016.72

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Solution

The fourth proportional to 490,605,883,270.50, 735,289,796,155.08 and 248,643,789,016.72 is: 372,651,953,789.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,605,883,270.50 : 735,289,796,155.08 = 248,643,789,016.72 : x
  2. Step 2: Convert to fraction form
    490,605,883,270.50/735,289,796,155.08 = 248,643,789,016.72/x
  3. Step 3: Cross multiply
    490,605,883,270.50x = 735,289,796,155.08 × 248,643,789,016.72
  4. Step 4: Simplify right side
    490,605,883,270.50x = 182,825,240,941,330,748,669,952
  5. Step 5: Solve for x
    x = 182,825,240,941,330,748,669,952/490,605,883,270.50
  6. Step 6: Final answer
    x = 372,651,953,789.41

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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.