Home / 1,190,056,620.56-1,785,187,574.04-328,413,612.56

Finding the Fourth Proportional to 1,190,056,620.56, 1,785,187,574.04 and 328,413,612.56

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Solution

The fourth proportional to 1,190,056,620.56, 1,785,187,574.04 and 328,413,612.56 is: 492,648,744.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,056,620.56 : 1,785,187,574.04 = 328,413,612.56 : x
  2. Step 2: Convert to fraction form
    1,190,056,620.56/1,785,187,574.04 = 328,413,612.56/x
  3. Step 3: Cross multiply
    1,190,056,620.56x = 1,785,187,574.04 × 328,413,612.56
  4. Step 4: Simplify right side
    1,190,056,620.56x = 586,279,900,287,698,816
  5. Step 5: Solve for x
    x = 586,279,900,287,698,816/1,190,056,620.56
  6. Step 6: Final answer
    x = 492,648,744.74

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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.