Home / 541,784,713.02-747,534,822.75-318,776,128.62

Finding the Fourth Proportional to 541,784,713.02, 747,534,822.75 and 318,776,128.62

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Solution

The fourth proportional to 541,784,713.02, 747,534,822.75 and 318,776,128.62 is: 439,835,696.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,784,713.02 : 747,534,822.75 = 318,776,128.62 : x
  2. Step 2: Convert to fraction form
    541,784,713.02/747,534,822.75 = 318,776,128.62/x
  3. Step 3: Cross multiply
    541,784,713.02x = 747,534,822.75 × 318,776,128.62
  4. Step 4: Simplify right side
    541,784,713.02x = 238,296,256,804,882,912
  5. Step 5: Solve for x
    x = 238,296,256,804,882,912/541,784,713.02
  6. Step 6: Final answer
    x = 439,835,696.87

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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.