Home / 821,829,029.92-1,233,167,369.38-385,174,075.21

Finding the Fourth Proportional to 821,829,029.92, 1,233,167,369.38 and 385,174,075.21

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Solution

The fourth proportional to 821,829,029.92, 1,233,167,369.38 and 385,174,075.21 is: 577,959,750.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,829,029.92 : 1,233,167,369.38 = 385,174,075.21 : x
  2. Step 2: Convert to fraction form
    821,829,029.92/1,233,167,369.38 = 385,174,075.21/x
  3. Step 3: Cross multiply
    821,829,029.92x = 1,233,167,369.38 × 385,174,075.21
  4. Step 4: Simplify right side
    821,829,029.92x = 474,984,101,076,044,096
  5. Step 5: Solve for x
    x = 474,984,101,076,044,096/821,829,029.92
  6. Step 6: Final answer
    x = 577,959,750.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.