Home / 1,272,849,610.34-1,756,519,771.32-708,324,822.51

Finding the Fourth Proportional to 1,272,849,610.34, 1,756,519,771.32 and 708,324,822.51

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Solution

The fourth proportional to 1,272,849,610.34, 1,756,519,771.32 and 708,324,822.51 is: 977,481,192.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,849,610.34 : 1,756,519,771.32 = 708,324,822.51 : x
  2. Step 2: Convert to fraction form
    1,272,849,610.34/1,756,519,771.32 = 708,324,822.51/x
  3. Step 3: Cross multiply
    1,272,849,610.34x = 1,756,519,771.32 × 708,324,822.51
  4. Step 4: Simplify right side
    1,272,849,610.34x = 1,244,186,555,255,544,832
  5. Step 5: Solve for x
    x = 1,244,186,555,255,544,832/1,272,849,610.34
  6. Step 6: Final answer
    x = 977,481,192.71

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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.