Home / 969,643,818.58-1,338,112,556.20-546,262,559.86

Finding the Fourth Proportional to 969,643,818.58, 1,338,112,556.20 and 546,262,559.86

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Solution

The fourth proportional to 969,643,818.58, 1,338,112,556.20 and 546,262,559.86 is: 753,844,634.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,643,818.58 : 1,338,112,556.20 = 546,262,559.86 : x
  2. Step 2: Convert to fraction form
    969,643,818.58/1,338,112,556.20 = 546,262,559.86/x
  3. Step 3: Cross multiply
    969,643,818.58x = 1,338,112,556.20 × 546,262,559.86
  4. Step 4: Simplify right side
    969,643,818.58x = 730,960,790,330,620,160
  5. Step 5: Solve for x
    x = 730,960,790,330,620,160/969,643,818.58
  6. Step 6: Final answer
    x = 753,844,634.83

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Double scale
Find fourth proportional to 969,643,819.58, 1,338,112,557.58 and 546,262,560.86
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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.