Home / 987,094,664.70-1,362,190,766.31-547,089,923.58

Finding the Fourth Proportional to 987,094,664.70, 1,362,190,766.31 and 547,089,923.58

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Solution

The fourth proportional to 987,094,664.70, 1,362,190,766.31 and 547,089,923.58 is: 754,984,166.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,094,664.70 : 1,362,190,766.31 = 547,089,923.58 : x
  2. Step 2: Convert to fraction form
    987,094,664.70/1,362,190,766.31 = 547,089,923.58/x
  3. Step 3: Cross multiply
    987,094,664.70x = 1,362,190,766.31 × 547,089,923.58
  4. Step 4: Simplify right side
    987,094,664.70x = 745,240,842,241,919,616
  5. Step 5: Solve for x
    x = 745,240,842,241,919,616/987,094,664.70
  6. Step 6: Final answer
    x = 754,984,166.05

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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.