Home / 399,402,414.90-599,103,622.35-384,096,914.10

Finding the Fourth Proportional to 399,402,414.90, 599,103,622.35 and 384,096,914.10

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Solution

The fourth proportional to 399,402,414.90, 599,103,622.35 and 384,096,914.10 is: 576,145,371.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,402,414.90 : 599,103,622.35 = 384,096,914.10 : x
  2. Step 2: Convert to fraction form
    399,402,414.90/599,103,622.35 = 384,096,914.10/x
  3. Step 3: Cross multiply
    399,402,414.90x = 599,103,622.35 × 384,096,914.10
  4. Step 4: Simplify right side
    399,402,414.90x = 230,113,852,570,766,816
  5. Step 5: Solve for x
    x = 230,113,852,570,766,816/399,402,414.90
  6. Step 6: Final answer
    x = 576,145,371.15

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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.