Home / 298,996,880.55-448,495,320.83-218,375,312.55

Finding the Fourth Proportional to 298,996,880.55, 448,495,320.83 and 218,375,312.55

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Solution

The fourth proportional to 298,996,880.55, 448,495,320.83 and 218,375,312.55 is: 327,562,968.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,996,880.55 : 448,495,320.83 = 218,375,312.55 : x
  2. Step 2: Convert to fraction form
    298,996,880.55/448,495,320.83 = 218,375,312.55/x
  3. Step 3: Cross multiply
    298,996,880.55x = 448,495,320.83 × 218,375,312.55
  4. Step 4: Simplify right side
    298,996,880.55x = 97,940,305,862,371,904
  5. Step 5: Solve for x
    x = 97,940,305,862,371,904/298,996,880.55
  6. Step 6: Final answer
    x = 327,562,968.83

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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.