Home / 753,473,942.73-1,039,560,348.65-439,982,014.41

Finding the Fourth Proportional to 753,473,942.73, 1,039,560,348.65 and 439,982,014.41

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Solution

The fourth proportional to 753,473,942.73, 1,039,560,348.65 and 439,982,014.41 is: 607,038,718.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,473,942.73 : 1,039,560,348.65 = 439,982,014.41 : x
  2. Step 2: Convert to fraction form
    753,473,942.73/1,039,560,348.65 = 439,982,014.41/x
  3. Step 3: Cross multiply
    753,473,942.73x = 1,039,560,348.65 × 439,982,014.41
  4. Step 4: Simplify right side
    753,473,942.73x = 457,387,856,297,589,056
  5. Step 5: Solve for x
    x = 457,387,856,297,589,056/753,473,942.73
  6. Step 6: Final answer
    x = 607,038,718.07

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1.5x scale

Why These Related Problems?

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