Home / 404,227,201.60-606,340,802.40-392,889,793.60

Finding the Fourth Proportional to 404,227,201.60, 606,340,802.40 and 392,889,793.60

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Solution

The fourth proportional to 404,227,201.60, 606,340,802.40 and 392,889,793.60 is: 589,334,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,227,201.60 : 606,340,802.40 = 392,889,793.60 : x
  2. Step 2: Convert to fraction form
    404,227,201.60/606,340,802.40 = 392,889,793.60/x
  3. Step 3: Cross multiply
    404,227,201.60x = 606,340,802.40 × 392,889,793.60
  4. Step 4: Simplify right side
    404,227,201.60x = 238,225,112,706,194,400
  5. Step 5: Solve for x
    x = 238,225,112,706,194,400/404,227,201.60
  6. Step 6: Final answer
    x = 589,334,690.40

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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.