Home / 437,185,965.60-655,852,431.60-130,509,079.20

Finding the Fourth Proportional to 437,185,965.60, 655,852,431.60 and 130,509,079.20

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Solution

The fourth proportional to 437,185,965.60, 655,852,431.60 and 130,509,079.20 is: 195,785,555.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,185,965.60 : 655,852,431.60 = 130,509,079.20 : x
  2. Step 2: Convert to fraction form
    437,185,965.60/655,852,431.60 = 130,509,079.20/x
  3. Step 3: Cross multiply
    437,185,965.60x = 655,852,431.60 × 130,509,079.20
  4. Step 4: Simplify right side
    437,185,965.60x = 85,594,696,939,196,992
  5. Step 5: Solve for x
    x = 85,594,696,939,196,992/437,185,965.60
  6. Step 6: Final answer
    x = 195,785,555.06

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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.