Home / 298,971,077,516.34-448,457,779,753.03-72,330,165,894.09

Finding the Fourth Proportional to 298,971,077,516.34, 448,457,779,753.03 and 72,330,165,894.09

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Solution

The fourth proportional to 298,971,077,516.34, 448,457,779,753.03 and 72,330,165,894.09 is: 108,495,530,321.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,971,077,516.34 : 448,457,779,753.03 = 72,330,165,894.09 : x
  2. Step 2: Convert to fraction form
    298,971,077,516.34/448,457,779,753.03 = 72,330,165,894.09/x
  3. Step 3: Cross multiply
    298,971,077,516.34x = 448,457,779,753.03 × 72,330,165,894.09
  4. Step 4: Simplify right side
    298,971,077,516.34x = 32,437,025,606,031,934,226,432
  5. Step 5: Solve for x
    x = 32,437,025,606,031,934,226,432/298,971,077,516.34
  6. Step 6: Final answer
    x = 108,495,530,321.86

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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.