Home / 432,213,302.72-648,337,893.96-125,505,416

Finding the Fourth Proportional to 432,213,302.72, 648,337,893.96 and 125,505,416

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Solution

The fourth proportional to 432,213,302.72, 648,337,893.96 and 125,505,416 is: 188,263,333.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,213,302.72 : 648,337,893.96 = 125,505,416 : x
  2. Step 2: Convert to fraction form
    432,213,302.72/648,337,893.96 = 125,505,416/x
  3. Step 3: Cross multiply
    432,213,302.72x = 648,337,893.96 × 125,505,416
  4. Step 4: Simplify right side
    432,213,302.72x = 81,369,917,090,013,696
  5. Step 5: Solve for x
    x = 81,369,917,090,013,696/432,213,302.72
  6. Step 6: Final answer
    x = 188,263,333.35

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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.