Home / 1,190,056,621.56-1,785,187,575.54-328,413,613.56

Finding the Fourth Proportional to 1,190,056,621.56, 1,785,187,575.54 and 328,413,613.56

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Solution

The fourth proportional to 1,190,056,621.56, 1,785,187,575.54 and 328,413,613.56 is: 492,648,746.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,056,621.56 : 1,785,187,575.54 = 328,413,613.56 : x
  2. Step 2: Convert to fraction form
    1,190,056,621.56/1,785,187,575.54 = 328,413,613.56/x
  3. Step 3: Cross multiply
    1,190,056,621.56x = 1,785,187,575.54 × 328,413,613.56
  4. Step 4: Simplify right side
    1,190,056,621.56x = 586,279,902,565,506,816
  5. Step 5: Solve for x
    x = 586,279,902,565,506,816/1,190,056,621.56
  6. Step 6: Final answer
    x = 492,648,746.24

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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.