Home / 889,673,127.81-1,227,701,992.67-508,120,150.98

Finding the Fourth Proportional to 889,673,127.81, 1,227,701,992.67 and 508,120,150.98

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Solution

The fourth proportional to 889,673,127.81, 1,227,701,992.67 and 508,120,150.98 is: 701,179,008.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,673,127.81 : 1,227,701,992.67 = 508,120,150.98 : x
  2. Step 2: Convert to fraction form
    889,673,127.81/1,227,701,992.67 = 508,120,150.98/x
  3. Step 3: Cross multiply
    889,673,127.81x = 1,227,701,992.67 × 508,120,150.98
  4. Step 4: Simplify right side
    889,673,127.81x = 623,820,121,876,107,392
  5. Step 5: Solve for x
    x = 623,820,121,876,107,392/889,673,127.81
  6. Step 6: Final answer
    x = 701,179,008.75

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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.