Home / 1,347,816,100.20-2,021,825,802.59-402,339,537.67

Finding the Fourth Proportional to 1,347,816,100.20, 2,021,825,802.59 and 402,339,537.67

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Solution

The fourth proportional to 1,347,816,100.20, 2,021,825,802.59 and 402,339,537.67 is: 603,539,650.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,816,100.20 : 2,021,825,802.59 = 402,339,537.67 : x
  2. Step 2: Convert to fraction form
    1,347,816,100.20/2,021,825,802.59 = 402,339,537.67/x
  3. Step 3: Cross multiply
    1,347,816,100.20x = 2,021,825,802.59 × 402,339,537.67
  4. Step 4: Simplify right side
    1,347,816,100.20x = 813,460,458,661,325,696
  5. Step 5: Solve for x
    x = 813,460,458,661,325,696/1,347,816,100.20
  6. Step 6: Final answer
    x = 603,539,650.95

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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.