Home / 945,471,004.23-1,418,258,230.07-392,829,309.44

Finding the Fourth Proportional to 945,471,004.23, 1,418,258,230.07 and 392,829,309.44

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Solution

The fourth proportional to 945,471,004.23, 1,418,258,230.07 and 392,829,309.44 is: 589,265,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,471,004.23 : 1,418,258,230.07 = 392,829,309.44 : x
  2. Step 2: Convert to fraction form
    945,471,004.23/1,418,258,230.07 = 392,829,309.44/x
  3. Step 3: Cross multiply
    945,471,004.23x = 1,418,258,230.07 × 392,829,309.44
  4. Step 4: Simplify right side
    945,471,004.23x = 557,133,401,116,939,328
  5. Step 5: Solve for x
    x = 557,133,401,116,939,328/945,471,004.23
  6. Step 6: Final answer
    x = 589,265,454.60

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1.5x scale

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.