Home / 330,985,555,298.64-496,478,339,508.96-79,446,749,352.48

Finding the Fourth Proportional to 330,985,555,298.64, 496,478,339,508.96 and 79,446,749,352.48

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Solution

The fourth proportional to 330,985,555,298.64, 496,478,339,508.96 and 79,446,749,352.48 is: 119,170,125,603.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,985,555,298.64 : 496,478,339,508.96 = 79,446,749,352.48 : x
  2. Step 2: Convert to fraction form
    330,985,555,298.64/496,478,339,508.96 = 79,446,749,352.48/x
  3. Step 3: Cross multiply
    330,985,555,298.64x = 496,478,339,508.96 × 79,446,749,352.48
  4. Step 4: Simplify right side
    330,985,555,298.64x = 39,443,590,197,903,815,081,984
  5. Step 5: Solve for x
    x = 39,443,590,197,903,815,081,984/330,985,555,298.64
  6. Step 6: Final answer
    x = 119,170,125,603.56

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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.