Home / 407,880,984.89-562,875,840.14-222,242,000.57

Finding the Fourth Proportional to 407,880,984.89, 562,875,840.14 and 222,242,000.57

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Solution

The fourth proportional to 407,880,984.89, 562,875,840.14 and 222,242,000.57 is: 306,694,004.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,880,984.89 : 562,875,840.14 = 222,242,000.57 : x
  2. Step 2: Convert to fraction form
    407,880,984.89/562,875,840.14 = 222,242,000.57/x
  3. Step 3: Cross multiply
    407,880,984.89x = 562,875,840.14 × 222,242,000.57
  4. Step 4: Simplify right side
    407,880,984.89x = 125,094,652,781,307,520
  5. Step 5: Solve for x
    x = 125,094,652,781,307,520/407,880,984.89
  6. Step 6: Final answer
    x = 306,694,004.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.