Home / 874,743,479.28-1,313,048,938.23-376,999,635.87

Finding the Fourth Proportional to 874,743,479.28, 1,313,048,938.23 and 376,999,635.87

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Solution

The fourth proportional to 874,743,479.28, 1,313,048,938.23 and 376,999,635.87 is: 565,901,871.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,743,479.28 : 1,313,048,938.23 = 376,999,635.87 : x
  2. Step 2: Convert to fraction form
    874,743,479.28/1,313,048,938.23 = 376,999,635.87/x
  3. Step 3: Cross multiply
    874,743,479.28x = 1,313,048,938.23 × 376,999,635.87
  4. Step 4: Simplify right side
    874,743,479.28x = 495,018,971,592,200,128
  5. Step 5: Solve for x
    x = 495,018,971,592,200,128/874,743,479.28
  6. Step 6: Final answer
    x = 565,901,871.03

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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.