Home / 489,904,281.20-733,155,810.60-449,089,612.40

Finding the Fourth Proportional to 489,904,281.20, 733,155,810.60 and 449,089,612.40

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Solution

The fourth proportional to 489,904,281.20, 733,155,810.60 and 449,089,612.40 is: 672,075,487.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,904,281.20 : 733,155,810.60 = 449,089,612.40 : x
  2. Step 2: Convert to fraction form
    489,904,281.20/733,155,810.60 = 449,089,612.40/x
  3. Step 3: Cross multiply
    489,904,281.20x = 733,155,810.60 × 449,089,612.40
  4. Step 4: Simplify right side
    489,904,281.20x = 329,252,658,811,161,792
  5. Step 5: Solve for x
    x = 329,252,658,811,161,792/489,904,281.20
  6. Step 6: Final answer
    x = 672,075,487.90

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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.