Home / 555,605,806.28-766,611,816.01-317,374,839.36

Finding the Fourth Proportional to 555,605,806.28, 766,611,816.01 and 317,374,839.36

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Solution

The fourth proportional to 555,605,806.28, 766,611,816.01 and 317,374,839.36 is: 437,906,334.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,605,806.28 : 766,611,816.01 = 317,374,839.36 : x
  2. Step 2: Convert to fraction form
    555,605,806.28/766,611,816.01 = 317,374,839.36/x
  3. Step 3: Cross multiply
    555,605,806.28x = 766,611,816.01 × 317,374,839.36
  4. Step 4: Simplify right side
    555,605,806.28x = 243,303,301,956,858,208
  5. Step 5: Solve for x
    x = 243,303,301,956,858,208/555,605,806.28
  6. Step 6: Final answer
    x = 437,906,334.33

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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.