Home / 988,536,256.86-1,364,089,862.88-586,580,729.16

Finding the Fourth Proportional to 988,536,256.86, 1,364,089,862.88 and 586,580,729.16

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Solution

The fourth proportional to 988,536,256.86, 1,364,089,862.88 and 586,580,729.16 is: 809,427,899.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,536,256.86 : 1,364,089,862.88 = 586,580,729.16 : x
  2. Step 2: Convert to fraction form
    988,536,256.86/1,364,089,862.88 = 586,580,729.16/x
  3. Step 3: Cross multiply
    988,536,256.86x = 1,364,089,862.88 × 586,580,729.16
  4. Step 4: Simplify right side
    988,536,256.86x = 800,148,826,407,914,880
  5. Step 5: Solve for x
    x = 800,148,826,407,914,880/988,536,256.86
  6. Step 6: Final answer
    x = 809,427,899.94

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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.