Home / 298,950,938.40-448,426,407.60-271,688,015.10

Finding the Fourth Proportional to 298,950,938.40, 448,426,407.60 and 271,688,015.10

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Solution

The fourth proportional to 298,950,938.40, 448,426,407.60 and 271,688,015.10 is: 407,532,022.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,950,938.40 : 448,426,407.60 = 271,688,015.10 : x
  2. Step 2: Convert to fraction form
    298,950,938.40/448,426,407.60 = 271,688,015.10/x
  3. Step 3: Cross multiply
    298,950,938.40x = 448,426,407.60 × 271,688,015.10
  4. Step 4: Simplify right side
    298,950,938.40x = 121,832,080,599,267,568
  5. Step 5: Solve for x
    x = 121,832,080,599,267,568/298,950,938.40
  6. Step 6: Final answer
    x = 407,532,022.65

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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.