Home / 675,248,710.40-1,012,854,168.96-215,214,485.12

Finding the Fourth Proportional to 675,248,710.40, 1,012,854,168.96 and 215,214,485.12

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Solution

The fourth proportional to 675,248,710.40, 1,012,854,168.96 and 215,214,485.12 is: 322,815,704.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,248,710.40 : 1,012,854,168.96 = 215,214,485.12 : x
  2. Step 2: Convert to fraction form
    675,248,710.40/1,012,854,168.96 = 215,214,485.12/x
  3. Step 3: Cross multiply
    675,248,710.40x = 1,012,854,168.96 × 215,214,485.12
  4. Step 4: Simplify right side
    675,248,710.40x = 217,980,888,474,371,904
  5. Step 5: Solve for x
    x = 217,980,888,474,371,904/675,248,710.40
  6. Step 6: Final answer
    x = 322,815,704.96

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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.