Home / 408,297,312,004.70-612,445,968,007.05-353,259,654,916.70

Finding the Fourth Proportional to 408,297,312,004.70, 612,445,968,007.05 and 353,259,654,916.70

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Solution

The fourth proportional to 408,297,312,004.70, 612,445,968,007.05 and 353,259,654,916.70 is: 529,889,482,375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,297,312,004.70 : 612,445,968,007.05 = 353,259,654,916.70 : x
  2. Step 2: Convert to fraction form
    408,297,312,004.70/612,445,968,007.05 = 353,259,654,916.70/x
  3. Step 3: Cross multiply
    408,297,312,004.70x = 612,445,968,007.05 × 353,259,654,916.70
  4. Step 4: Simplify right side
    408,297,312,004.70x = 216,352,451,313,294,808,973,312
  5. Step 5: Solve for x
    x = 216,352,451,313,294,808,973,312/408,297,312,004.70
  6. Step 6: Final answer
    x = 529,889,482,375.05

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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.