Home / 259,756,562,990.15-389,362,095,739.10-87,397,225,668.68

Finding the Fourth Proportional to 259,756,562,990.15, 389,362,095,739.10 and 87,397,225,668.68

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Solution

The fourth proportional to 259,756,562,990.15, 389,362,095,739.10 and 87,397,225,668.68 is: 131,004,069,950.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,756,562,990.15 : 389,362,095,739.10 = 87,397,225,668.68 : x
  2. Step 2: Convert to fraction form
    259,756,562,990.15/389,362,095,739.10 = 87,397,225,668.68/x
  3. Step 3: Cross multiply
    259,756,562,990.15x = 389,362,095,739.10 × 87,397,225,668.68
  4. Step 4: Simplify right side
    259,756,562,990.15x = 34,029,166,948,140,307,185,664
  5. Step 5: Solve for x
    x = 34,029,166,948,140,307,185,664/259,756,562,990.15
  6. Step 6: Final answer
    x = 131,004,069,950.80

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1.5x scale

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.