Home / 384,905,966.40-576,083,491.20-354,294,964.80

Finding the Fourth Proportional to 384,905,966.40, 576,083,491.20 and 354,294,964.80

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Solution

The fourth proportional to 384,905,966.40, 576,083,491.20 and 354,294,964.80 is: 530,268,424.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,905,966.40 : 576,083,491.20 = 354,294,964.80 : x
  2. Step 2: Convert to fraction form
    384,905,966.40/576,083,491.20 = 354,294,964.80/x
  3. Step 3: Cross multiply
    384,905,966.40x = 576,083,491.20 × 354,294,964.80
  4. Step 4: Simplify right side
    384,905,966.40x = 204,103,480,236,565,120
  5. Step 5: Solve for x
    x = 204,103,480,236,565,120/384,905,966.40
  6. Step 6: Final answer
    x = 530,268,424.12

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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.