Home / 569,185,482.40-785,389,103.28-321,576,491.68

Finding the Fourth Proportional to 569,185,482.40, 785,389,103.28 and 321,576,491.68

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Solution

The fourth proportional to 569,185,482.40, 785,389,103.28 and 321,576,491.68 is: 443,726,483.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,185,482.40 : 785,389,103.28 = 321,576,491.68 : x
  2. Step 2: Convert to fraction form
    569,185,482.40/785,389,103.28 = 321,576,491.68/x
  3. Step 3: Cross multiply
    569,185,482.40x = 785,389,103.28 × 321,576,491.68
  4. Step 4: Simplify right side
    569,185,482.40x = 252,562,672,436,483,584
  5. Step 5: Solve for x
    x = 252,562,672,436,483,584/569,185,482.40
  6. Step 6: Final answer
    x = 443,726,483.27

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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.