Home / 259,756,562,989.65-389,362,095,738.36-87,397,225,668.18

Finding the Fourth Proportional to 259,756,562,989.65, 389,362,095,738.36 and 87,397,225,668.18

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Solution

The fourth proportional to 259,756,562,989.65, 389,362,095,738.36 and 87,397,225,668.18 is: 131,004,069,950.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,756,562,989.65 : 389,362,095,738.36 = 87,397,225,668.18 : x
  2. Step 2: Convert to fraction form
    259,756,562,989.65/389,362,095,738.36 = 87,397,225,668.18/x
  3. Step 3: Cross multiply
    259,756,562,989.65x = 389,362,095,738.36 × 87,397,225,668.18
  4. Step 4: Simplify right side
    259,756,562,989.65x = 34,029,166,947,880,952,397,824
  5. Step 5: Solve for x
    x = 34,029,166,947,880,952,397,824/259,756,562,989.65
  6. Step 6: Final answer
    x = 131,004,069,950.05

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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.