Home / 815,136,845.85-1,124,601,902.51-533,044,422.81

Finding the Fourth Proportional to 815,136,845.85, 1,124,601,902.51 and 533,044,422.81

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Solution

The fourth proportional to 815,136,845.85, 1,124,601,902.51 and 533,044,422.81 is: 735,413,660.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,136,845.85 : 1,124,601,902.51 = 533,044,422.81 : x
  2. Step 2: Convert to fraction form
    815,136,845.85/1,124,601,902.51 = 533,044,422.81/x
  3. Step 3: Cross multiply
    815,136,845.85x = 1,124,601,902.51 × 533,044,422.81
  4. Step 4: Simplify right side
    815,136,845.85x = 599,462,772,011,805,696
  5. Step 5: Solve for x
    x = 599,462,772,011,805,696/815,136,845.85
  6. Step 6: Final answer
    x = 735,413,660.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.