Home / 797,281,721.36-1,100,348,144.88-462,682,399.94

Finding the Fourth Proportional to 797,281,721.36, 1,100,348,144.88 and 462,682,399.94

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Solution

The fourth proportional to 797,281,721.36, 1,100,348,144.88 and 462,682,399.94 is: 638,559,378.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,281,721.36 : 1,100,348,144.88 = 462,682,399.94 : x
  2. Step 2: Convert to fraction form
    797,281,721.36/1,100,348,144.88 = 462,682,399.94/x
  3. Step 3: Cross multiply
    797,281,721.36x = 1,100,348,144.88 × 462,682,399.94
  4. Step 4: Simplify right side
    797,281,721.36x = 509,111,720,442,108,928
  5. Step 5: Solve for x
    x = 509,111,720,442,108,928/797,281,721.36
  6. Step 6: Final answer
    x = 638,559,378.45

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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.