Home / 392,828,629.50-589,343,032.35-116,489,938.32

Finding the Fourth Proportional to 392,828,629.50, 589,343,032.35 and 116,489,938.32

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Solution

The fourth proportional to 392,828,629.50, 589,343,032.35 and 116,489,938.32 is: 174,764,587.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,828,629.50 : 589,343,032.35 = 116,489,938.32 : x
  2. Step 2: Convert to fraction form
    392,828,629.50/589,343,032.35 = 116,489,938.32/x
  3. Step 3: Cross multiply
    392,828,629.50x = 589,343,032.35 × 116,489,938.32
  4. Step 4: Simplify right side
    392,828,629.50x = 68,652,533,487,773,264
  5. Step 5: Solve for x
    x = 68,652,533,487,773,264/392,828,629.50
  6. Step 6: Final answer
    x = 174,764,587.74

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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.