Home / 1,219,205,696.77-1,682,550,109.74-683,367,265.90

Finding the Fourth Proportional to 1,219,205,696.77, 1,682,550,109.74 and 683,367,265.90

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Solution

The fourth proportional to 1,219,205,696.77, 1,682,550,109.74 and 683,367,265.90 is: 943,072,749.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,205,696.77 : 1,682,550,109.74 = 683,367,265.90 : x
  2. Step 2: Convert to fraction form
    1,219,205,696.77/1,682,550,109.74 = 683,367,265.90/x
  3. Step 3: Cross multiply
    1,219,205,696.77x = 1,682,550,109.74 × 683,367,265.90
  4. Step 4: Simplify right side
    1,219,205,696.77x = 1,149,799,668,232,768,768
  5. Step 5: Solve for x
    x = 1,149,799,668,232,768,768/1,219,205,696.77
  6. Step 6: Final answer
    x = 943,072,749.15

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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.