Home / 298,971,077,520.72-448,457,779,759.60-72,330,165,898.46

Finding the Fourth Proportional to 298,971,077,520.72, 448,457,779,759.60 and 72,330,165,898.46

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Solution

The fourth proportional to 298,971,077,520.72, 448,457,779,759.60 and 72,330,165,898.46 is: 108,495,530,328.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,971,077,520.72 : 448,457,779,759.60 = 72,330,165,898.46 : x
  2. Step 2: Convert to fraction form
    298,971,077,520.72/448,457,779,759.60 = 72,330,165,898.46/x
  3. Step 3: Cross multiply
    298,971,077,520.72x = 448,457,779,759.60 × 72,330,165,898.46
  4. Step 4: Simplify right side
    298,971,077,520.72x = 32,437,025,608,466,908,053,504
  5. Step 5: Solve for x
    x = 32,437,025,608,466,908,053,504/298,971,077,520.72
  6. Step 6: Final answer
    x = 108,495,530,328.41

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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.