Home / 875,027,586.20-1,312,331,427.30-505,764,008.60

Finding the Fourth Proportional to 875,027,586.20, 1,312,331,427.30 and 505,764,008.60

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Solution

The fourth proportional to 875,027,586.20, 1,312,331,427.30 and 505,764,008.60 is: 758,524,661.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,027,586.20 : 1,312,331,427.30 = 505,764,008.60 : x
  2. Step 2: Convert to fraction form
    875,027,586.20/1,312,331,427.30 = 505,764,008.60/x
  3. Step 3: Cross multiply
    875,027,586.20x = 1,312,331,427.30 × 505,764,008.60
  4. Step 4: Simplify right side
    875,027,586.20x = 663,730,003,283,007,488
  5. Step 5: Solve for x
    x = 663,730,003,283,007,488/875,027,586.20
  6. Step 6: Final answer
    x = 758,524,661.11

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.