Home / 354,424,851.52-489,130,847.04-197,822,510.08

Finding the Fourth Proportional to 354,424,851.52, 489,130,847.04 and 197,822,510.08

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Solution

The fourth proportional to 354,424,851.52, 489,130,847.04 and 197,822,510.08 is: 273,008,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,424,851.52 : 489,130,847.04 = 197,822,510.08 : x
  2. Step 2: Convert to fraction form
    354,424,851.52/489,130,847.04 = 197,822,510.08/x
  3. Step 3: Cross multiply
    354,424,851.52x = 489,130,847.04 × 197,822,510.08
  4. Step 4: Simplify right side
    354,424,851.52x = 96,761,091,919,009,344
  5. Step 5: Solve for x
    x = 96,761,091,919,009,344/354,424,851.52
  6. Step 6: Final answer
    x = 273,008,767.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.