Home / 654,990,580.80-982,485,871.20-556,355,131.20

Finding the Fourth Proportional to 654,990,580.80, 982,485,871.20 and 556,355,131.20

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Solution

The fourth proportional to 654,990,580.80, 982,485,871.20 and 556,355,131.20 is: 834,532,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,990,580.80 : 982,485,871.20 = 556,355,131.20 : x
  2. Step 2: Convert to fraction form
    654,990,580.80/982,485,871.20 = 556,355,131.20/x
  3. Step 3: Cross multiply
    654,990,580.80x = 982,485,871.20 × 556,355,131.20
  4. Step 4: Simplify right side
    654,990,580.80x = 546,611,055,773,622,400
  5. Step 5: Solve for x
    x = 546,611,055,773,622,400/654,990,580.80
  6. Step 6: Final answer
    x = 834,532,696.80

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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.