Home / 797,281,721.05-1,100,348,144.45-462,682,399.63

Finding the Fourth Proportional to 797,281,721.05, 1,100,348,144.45 and 462,682,399.63

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Solution

The fourth proportional to 797,281,721.05, 1,100,348,144.45 and 462,682,399.63 is: 638,559,378.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,281,721.05 : 1,100,348,144.45 = 462,682,399.63 : x
  2. Step 2: Convert to fraction form
    797,281,721.05/1,100,348,144.45 = 462,682,399.63/x
  3. Step 3: Cross multiply
    797,281,721.05x = 1,100,348,144.45 × 462,682,399.63
  4. Step 4: Simplify right side
    797,281,721.05x = 509,111,719,900,949,760
  5. Step 5: Solve for x
    x = 509,111,719,900,949,760/797,281,721.05
  6. Step 6: Final answer
    x = 638,559,378.02

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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.