Home / 734,864,512.76-1,014,111,252.11-400,339,784.10

Finding the Fourth Proportional to 734,864,512.76, 1,014,111,252.11 and 400,339,784.10

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Solution

The fourth proportional to 734,864,512.76, 1,014,111,252.11 and 400,339,784.10 is: 552,467,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,864,512.76 : 1,014,111,252.11 = 400,339,784.10 : x
  2. Step 2: Convert to fraction form
    734,864,512.76/1,014,111,252.11 = 400,339,784.10/x
  3. Step 3: Cross multiply
    734,864,512.76x = 1,014,111,252.11 × 400,339,784.10
  4. Step 4: Simplify right side
    734,864,512.76x = 405,989,079,723,098,112
  5. Step 5: Solve for x
    x = 405,989,079,723,098,112/734,864,512.76
  6. Step 6: Final answer
    x = 552,467,934.80

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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.