Home / 443,235,280.95-664,852,921.43-259,569,271.35

Finding the Fourth Proportional to 443,235,280.95, 664,852,921.43 and 259,569,271.35

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Solution

The fourth proportional to 443,235,280.95, 664,852,921.43 and 259,569,271.35 is: 389,353,907.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,235,280.95 : 664,852,921.43 = 259,569,271.35 : x
  2. Step 2: Convert to fraction form
    443,235,280.95/664,852,921.43 = 259,569,271.35/x
  3. Step 3: Cross multiply
    443,235,280.95x = 664,852,921.43 × 259,569,271.35
  4. Step 4: Simplify right side
    443,235,280.95x = 172,575,388,369,206,048
  5. Step 5: Solve for x
    x = 172,575,388,369,206,048/443,235,280.95
  6. Step 6: Final answer
    x = 389,353,907.03

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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.