Home / 647,352,003.60-971,028,005.40-283,846,359.60

Finding the Fourth Proportional to 647,352,003.60, 971,028,005.40 and 283,846,359.60

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Solution

The fourth proportional to 647,352,003.60, 971,028,005.40 and 283,846,359.60 is: 425,769,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,352,003.60 : 971,028,005.40 = 283,846,359.60 : x
  2. Step 2: Convert to fraction form
    647,352,003.60/971,028,005.40 = 283,846,359.60/x
  3. Step 3: Cross multiply
    647,352,003.60x = 971,028,005.40 × 283,846,359.60
  4. Step 4: Simplify right side
    647,352,003.60x = 275,622,764,402,439,168
  5. Step 5: Solve for x
    x = 275,622,764,402,439,168/647,352,003.60
  6. Step 6: Final answer
    x = 425,769,539.40

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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.