Home / 677,959,527.60-1,017,072,001.80-289,781,607.60

Finding the Fourth Proportional to 677,959,527.60, 1,017,072,001.80 and 289,781,607.60

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Solution

The fourth proportional to 677,959,527.60, 1,017,072,001.80 and 289,781,607.60 is: 434,729,136.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,959,527.60 : 1,017,072,001.80 = 289,781,607.60 : x
  2. Step 2: Convert to fraction form
    677,959,527.60/1,017,072,001.80 = 289,781,607.60/x
  3. Step 3: Cross multiply
    677,959,527.60x = 1,017,072,001.80 × 289,781,607.60
  4. Step 4: Simplify right side
    677,959,527.60x = 294,728,759,726,554,112
  5. Step 5: Solve for x
    x = 294,728,759,726,554,112/677,959,527.60
  6. Step 6: Final answer
    x = 434,729,136.07

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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.