Home / 874,070,998.20-1,310,628,200.40-355,916,023.20

Finding the Fourth Proportional to 874,070,998.20, 1,310,628,200.40 and 355,916,023.20

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Solution

The fourth proportional to 874,070,998.20, 1,310,628,200.40 and 355,916,023.20 is: 533,679,275.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,070,998.20 : 1,310,628,200.40 = 355,916,023.20 : x
  2. Step 2: Convert to fraction form
    874,070,998.20/1,310,628,200.40 = 355,916,023.20/x
  3. Step 3: Cross multiply
    874,070,998.20x = 1,310,628,200.40 × 355,916,023.20
  4. Step 4: Simplify right side
    874,070,998.20x = 466,473,576,980,140,672
  5. Step 5: Solve for x
    x = 466,473,576,980,140,672/874,070,998.20
  6. Step 6: Final answer
    x = 533,679,275.41

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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.