Home / 426,453,848.90-639,719,811.32-119,743,895.06

Finding the Fourth Proportional to 426,453,848.90, 639,719,811.32 and 119,743,895.06

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Solution

The fourth proportional to 426,453,848.90, 639,719,811.32 and 119,743,895.06 is: 179,626,804.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,453,848.90 : 639,719,811.32 = 119,743,895.06 : x
  2. Step 2: Convert to fraction form
    426,453,848.90/639,719,811.32 = 119,743,895.06/x
  3. Step 3: Cross multiply
    426,453,848.90x = 639,719,811.32 × 119,743,895.06
  4. Step 4: Simplify right side
    426,453,848.90x = 76,602,541,954,505,088
  5. Step 5: Solve for x
    x = 76,602,541,954,505,088/426,453,848.90
  6. Step 6: Final answer
    x = 179,626,804.05

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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.