Home / 1,185,211,666.23-1,635,515,395.88-649,362,596.87

Finding the Fourth Proportional to 1,185,211,666.23, 1,635,515,395.88 and 649,362,596.87

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Solution

The fourth proportional to 1,185,211,666.23, 1,635,515,395.88 and 649,362,596.87 is: 896,078,358.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,211,666.23 : 1,635,515,395.88 = 649,362,596.87 : x
  2. Step 2: Convert to fraction form
    1,185,211,666.23/1,635,515,395.88 = 649,362,596.87/x
  3. Step 3: Cross multiply
    1,185,211,666.23x = 1,635,515,395.88 × 649,362,596.87
  4. Step 4: Simplify right side
    1,185,211,666.23x = 1,062,042,524,678,078,464
  5. Step 5: Solve for x
    x = 1,062,042,524,678,078,464/1,185,211,666.23
  6. Step 6: Final answer
    x = 896,078,358.78

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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.