Home / 1,185,211,660.23-1,635,515,387.60-649,362,590.87

Finding the Fourth Proportional to 1,185,211,660.23, 1,635,515,387.60 and 649,362,590.87

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Solution

The fourth proportional to 1,185,211,660.23, 1,635,515,387.60 and 649,362,590.87 is: 896,078,350.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,211,660.23 : 1,635,515,387.60 = 649,362,590.87 : x
  2. Step 2: Convert to fraction form
    1,185,211,660.23/1,635,515,387.60 = 649,362,590.87/x
  3. Step 3: Cross multiply
    1,185,211,660.23x = 1,635,515,387.60 × 649,362,590.87
  4. Step 4: Simplify right side
    1,185,211,660.23x = 1,062,042,509,488,263,936
  5. Step 5: Solve for x
    x = 1,062,042,509,488,263,936/1,185,211,660.23
  6. Step 6: Final answer
    x = 896,078,350.50

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Double scale
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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.