Home / 386,674,311.64-533,622,099-238,081,157.32

Finding the Fourth Proportional to 386,674,311.64, 533,622,099 and 238,081,157.32

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Solution

The fourth proportional to 386,674,311.64, 533,622,099 and 238,081,157.32 is: 328,559,107.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,674,311.64 : 533,622,099 = 238,081,157.32 : x
  2. Step 2: Convert to fraction form
    386,674,311.64/533,622,099 = 238,081,157.32/x
  3. Step 3: Cross multiply
    386,674,311.64x = 533,622,099 × 238,081,157.32
  4. Step 4: Simplify right side
    386,674,311.64x = 127,045,366,901,447,616
  5. Step 5: Solve for x
    x = 127,045,366,901,447,616/386,674,311.64
  6. Step 6: Final answer
    x = 328,559,107.95

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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.