Home / 798,357,400.80-1,197,536,101.20-490,651,749.60

Finding the Fourth Proportional to 798,357,400.80, 1,197,536,101.20 and 490,651,749.60

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Solution

The fourth proportional to 798,357,400.80, 1,197,536,101.20 and 490,651,749.60 is: 735,977,624.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,357,400.80 : 1,197,536,101.20 = 490,651,749.60 : x
  2. Step 2: Convert to fraction form
    798,357,400.80/1,197,536,101.20 = 490,651,749.60/x
  3. Step 3: Cross multiply
    798,357,400.80x = 1,197,536,101.20 × 490,651,749.60
  4. Step 4: Simplify right side
    798,357,400.80x = 587,573,183,262,942,720
  5. Step 5: Solve for x
    x = 587,573,183,262,942,720/798,357,400.80
  6. Step 6: Final answer
    x = 735,977,624.40

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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.