Home / 681,251,732.25-940,127,768.36-367,985,947.93

Finding the Fourth Proportional to 681,251,732.25, 940,127,768.36 and 367,985,947.93

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Solution

The fourth proportional to 681,251,732.25, 940,127,768.36 and 367,985,947.93 is: 507,820,812.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,251,732.25 : 940,127,768.36 = 367,985,947.93 : x
  2. Step 2: Convert to fraction form
    681,251,732.25/940,127,768.36 = 367,985,947.93/x
  3. Step 3: Cross multiply
    681,251,732.25x = 940,127,768.36 × 367,985,947.93
  4. Step 4: Simplify right side
    681,251,732.25x = 345,953,808,012,459,776
  5. Step 5: Solve for x
    x = 345,953,808,012,459,776/681,251,732.25
  6. Step 6: Final answer
    x = 507,820,812.24

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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.