Home / 325,864,278.60-488,158,688.70-196,086,386.40

Finding the Fourth Proportional to 325,864,278.60, 488,158,688.70 and 196,086,386.40

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Solution

The fourth proportional to 325,864,278.60, 488,158,688.70 and 196,086,386.40 is: 293,745,830.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,864,278.60 : 488,158,688.70 = 196,086,386.40 : x
  2. Step 2: Convert to fraction form
    325,864,278.60/488,158,688.70 = 196,086,386.40/x
  3. Step 3: Cross multiply
    325,864,278.60x = 488,158,688.70 × 196,086,386.40
  4. Step 4: Simplify right side
    325,864,278.60x = 95,721,273,256,945,520
  5. Step 5: Solve for x
    x = 95,721,273,256,945,520/325,864,278.60
  6. Step 6: Final answer
    x = 293,745,830.84

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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.