Home / 280,051,585.20-419,227,072.20-249,440,583.60

Finding the Fourth Proportional to 280,051,585.20, 419,227,072.20 and 249,440,583.60

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Solution

The fourth proportional to 280,051,585.20, 419,227,072.20 and 249,440,583.60 is: 373,403,512.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,051,585.20 : 419,227,072.20 = 249,440,583.60 : x
  2. Step 2: Convert to fraction form
    280,051,585.20/419,227,072.20 = 249,440,583.60/x
  3. Step 3: Cross multiply
    280,051,585.20x = 419,227,072.20 × 249,440,583.60
  4. Step 4: Simplify right side
    280,051,585.20x = 104,572,245,550,487,328
  5. Step 5: Solve for x
    x = 104,572,245,550,487,328/280,051,585.20
  6. Step 6: Final answer
    x = 373,403,512.34

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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.