Home / 874,037,229.80-1,311,055,844.70-778,803,002.60

Finding the Fourth Proportional to 874,037,229.80, 1,311,055,844.70 and 778,803,002.60

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Solution

The fourth proportional to 874,037,229.80, 1,311,055,844.70 and 778,803,002.60 is: 1,168,204,503.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,037,229.80 : 1,311,055,844.70 = 778,803,002.60 : x
  2. Step 2: Convert to fraction form
    874,037,229.80/1,311,055,844.70 = 778,803,002.60/x
  3. Step 3: Cross multiply
    874,037,229.80x = 1,311,055,844.70 × 778,803,002.60
  4. Step 4: Simplify right side
    874,037,229.80x = 1,021,054,228,428,639,360
  5. Step 5: Solve for x
    x = 1,021,054,228,428,639,360/874,037,229.80
  6. Step 6: Final answer
    x = 1,168,204,503.90

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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.