Home / 1,315,197,125.23-1,814,957,568.49-712,352,750.44

Finding the Fourth Proportional to 1,315,197,125.23, 1,814,957,568.49 and 712,352,750.44

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Solution

The fourth proportional to 1,315,197,125.23, 1,814,957,568.49 and 712,352,750.44 is: 983,038,961.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,197,125.23 : 1,814,957,568.49 = 712,352,750.44 : x
  2. Step 2: Convert to fraction form
    1,315,197,125.23/1,814,957,568.49 = 712,352,750.44/x
  3. Step 3: Cross multiply
    1,315,197,125.23x = 1,814,957,568.49 × 712,352,750.44
  4. Step 4: Simplify right side
    1,315,197,125.23x = 1,292,890,015,839,567,104
  5. Step 5: Solve for x
    x = 1,292,890,015,839,567,104/1,315,197,125.23
  6. Step 6: Final answer
    x = 983,038,961.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.