Home / 969,643,815.57-1,338,112,552.05-546,262,556.85

Finding the Fourth Proportional to 969,643,815.57, 1,338,112,552.05 and 546,262,556.85

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Solution

The fourth proportional to 969,643,815.57, 1,338,112,552.05 and 546,262,556.85 is: 753,844,630.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,643,815.57 : 1,338,112,552.05 = 546,262,556.85 : x
  2. Step 2: Convert to fraction form
    969,643,815.57/1,338,112,552.05 = 546,262,556.85/x
  3. Step 3: Cross multiply
    969,643,815.57x = 1,338,112,552.05 × 546,262,556.85
  4. Step 4: Simplify right side
    969,643,815.57x = 730,960,784,035,911,680
  5. Step 5: Solve for x
    x = 730,960,784,035,911,680/969,643,815.57
  6. Step 6: Final answer
    x = 753,844,630.68

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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.