Home / 874,037,231.80-1,311,055,847.70-778,803,004.60

Finding the Fourth Proportional to 874,037,231.80, 1,311,055,847.70 and 778,803,004.60

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Solution

The fourth proportional to 874,037,231.80, 1,311,055,847.70 and 778,803,004.60 is: 1,168,204,506.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,037,231.80 : 1,311,055,847.70 = 778,803,004.60 : x
  2. Step 2: Convert to fraction form
    874,037,231.80/1,311,055,847.70 = 778,803,004.60/x
  3. Step 3: Cross multiply
    874,037,231.80x = 1,311,055,847.70 × 778,803,004.60
  4. Step 4: Simplify right side
    874,037,231.80x = 1,021,054,233,387,160,064
  5. Step 5: Solve for x
    x = 1,021,054,233,387,160,064/874,037,231.80
  6. Step 6: Final answer
    x = 1,168,204,506.90

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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.