Home / 550,949,604.17-760,344,812.39-303,430,892.81

Finding the Fourth Proportional to 550,949,604.17, 760,344,812.39 and 303,430,892.81

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Solution

The fourth proportional to 550,949,604.17, 760,344,812.39 and 303,430,892.81 is: 418,753,554.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,949,604.17 : 760,344,812.39 = 303,430,892.81 : x
  2. Step 2: Convert to fraction form
    550,949,604.17/760,344,812.39 = 303,430,892.81/x
  3. Step 3: Cross multiply
    550,949,604.17x = 760,344,812.39 × 303,430,892.81
  4. Step 4: Simplify right side
    550,949,604.17x = 230,712,105,263,906,528
  5. Step 5: Solve for x
    x = 230,712,105,263,906,528/550,949,604.17
  6. Step 6: Final answer
    x = 418,753,554.81

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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.