Home / 352,879,470.40-529,319,205.60-122,772,078.40

Finding the Fourth Proportional to 352,879,470.40, 529,319,205.60 and 122,772,078.40

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Solution

The fourth proportional to 352,879,470.40, 529,319,205.60 and 122,772,078.40 is: 184,158,117.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,879,470.40 : 529,319,205.60 = 122,772,078.40 : x
  2. Step 2: Convert to fraction form
    352,879,470.40/529,319,205.60 = 122,772,078.40/x
  3. Step 3: Cross multiply
    352,879,470.40x = 529,319,205.60 × 122,772,078.40
  4. Step 4: Simplify right side
    352,879,470.40x = 64,985,619,008,548,928
  5. Step 5: Solve for x
    x = 64,985,619,008,548,928/352,879,470.40
  6. Step 6: Final answer
    x = 184,158,117.60

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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.