Home / 988,535,639.06-1,364,089,014.38-586,580,114.78

Finding the Fourth Proportional to 988,535,639.06, 1,364,089,014.38 and 586,580,114.78

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Solution

The fourth proportional to 988,535,639.06, 1,364,089,014.38 and 586,580,114.78 is: 809,427,054.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,535,639.06 : 1,364,089,014.38 = 586,580,114.78 : x
  2. Step 2: Convert to fraction form
    988,535,639.06/1,364,089,014.38 = 586,580,114.78/x
  3. Step 3: Cross multiply
    988,535,639.06x = 1,364,089,014.38 × 586,580,114.78
  4. Step 4: Simplify right side
    988,535,639.06x = 800,147,490,625,157,504
  5. Step 5: Solve for x
    x = 800,147,490,625,157,504/988,535,639.06
  6. Step 6: Final answer
    x = 809,427,054.53

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Double scale
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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.