Home / 945,026,998.80-1,417,540,498.20-618,509,648.40

Finding the Fourth Proportional to 945,026,998.80, 1,417,540,498.20 and 618,509,648.40

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Solution

The fourth proportional to 945,026,998.80, 1,417,540,498.20 and 618,509,648.40 is: 927,764,472.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,026,998.80 : 1,417,540,498.20 = 618,509,648.40 : x
  2. Step 2: Convert to fraction form
    945,026,998.80/1,417,540,498.20 = 618,509,648.40/x
  3. Step 3: Cross multiply
    945,026,998.80x = 1,417,540,498.20 × 618,509,648.40
  4. Step 4: Simplify right side
    945,026,998.80x = 876,762,475,134,442,880
  5. Step 5: Solve for x
    x = 876,762,475,134,442,880/945,026,998.80
  6. Step 6: Final answer
    x = 927,764,472.60

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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.