Home / 719,005,823.38-1,078,570,211.82-252,626,709.46

Finding the Fourth Proportional to 719,005,823.38, 1,078,570,211.82 and 252,626,709.46

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Solution

The fourth proportional to 719,005,823.38, 1,078,570,211.82 and 252,626,709.46 is: 378,961,664.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,005,823.38 : 1,078,570,211.82 = 252,626,709.46 : x
  2. Step 2: Convert to fraction form
    719,005,823.38/1,078,570,211.82 = 252,626,709.46/x
  3. Step 3: Cross multiply
    719,005,823.38x = 1,078,570,211.82 × 252,626,709.46
  4. Step 4: Simplify right side
    719,005,823.38x = 272,475,643,533,661,792
  5. Step 5: Solve for x
    x = 272,475,643,533,661,792/719,005,823.38
  6. Step 6: Final answer
    x = 378,961,664.39

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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.