Home / 1,319,361,749.40-1,977,782,912.10-490,093,339.80

Finding the Fourth Proportional to 1,319,361,749.40, 1,977,782,912.10 and 490,093,339.80

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Solution

The fourth proportional to 1,319,361,749.40, 1,977,782,912.10 and 490,093,339.80 is: 734,672,074.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,361,749.40 : 1,977,782,912.10 = 490,093,339.80 : x
  2. Step 2: Convert to fraction form
    1,319,361,749.40/1,977,782,912.10 = 490,093,339.80/x
  3. Step 3: Cross multiply
    1,319,361,749.40x = 1,977,782,912.10 × 490,093,339.80
  4. Step 4: Simplify right side
    1,319,361,749.40x = 969,298,232,790,458,752
  5. Step 5: Solve for x
    x = 969,298,232,790,458,752/1,319,361,749.40
  6. Step 6: Final answer
    x = 734,672,074.00

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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.