Home / 289,419,201.60-434,128,802.40-174,627,945.60

Finding the Fourth Proportional to 289,419,201.60, 434,128,802.40 and 174,627,945.60

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Solution

The fourth proportional to 289,419,201.60, 434,128,802.40 and 174,627,945.60 is: 261,941,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,419,201.60 : 434,128,802.40 = 174,627,945.60 : x
  2. Step 2: Convert to fraction form
    289,419,201.60/434,128,802.40 = 174,627,945.60/x
  3. Step 3: Cross multiply
    289,419,201.60x = 434,128,802.40 × 174,627,945.60
  4. Step 4: Simplify right side
    289,419,201.60x = 75,811,020,888,900,336
  5. Step 5: Solve for x
    x = 75,811,020,888,900,336/289,419,201.60
  6. Step 6: Final answer
    x = 261,941,918.40

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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.