Home / 404,227,200.60-606,340,800.90-392,889,792.60

Finding the Fourth Proportional to 404,227,200.60, 606,340,800.90 and 392,889,792.60

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Solution

The fourth proportional to 404,227,200.60, 606,340,800.90 and 392,889,792.60 is: 589,334,688.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,227,200.60 : 606,340,800.90 = 392,889,792.60 : x
  2. Step 2: Convert to fraction form
    404,227,200.60/606,340,800.90 = 392,889,792.60/x
  3. Step 3: Cross multiply
    404,227,200.60x = 606,340,800.90 × 392,889,792.60
  4. Step 4: Simplify right side
    404,227,200.60x = 238,225,111,510,518,912
  5. Step 5: Solve for x
    x = 238,225,111,510,518,912/404,227,200.60
  6. Step 6: Final answer
    x = 589,334,688.90

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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.