Home / 325,720,259.78-449,344,157.74-288,588,411.50

Finding the Fourth Proportional to 325,720,259.78, 449,344,157.74 and 288,588,411.50

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Solution

The fourth proportional to 325,720,259.78, 449,344,157.74 and 288,588,411.50 is: 398,119,284.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,720,259.78 : 449,344,157.74 = 288,588,411.50 : x
  2. Step 2: Convert to fraction form
    325,720,259.78/449,344,157.74 = 288,588,411.50/x
  3. Step 3: Cross multiply
    325,720,259.78x = 449,344,157.74 × 288,588,411.50
  4. Step 4: Simplify right side
    325,720,259.78x = 129,675,516,696,023,840
  5. Step 5: Solve for x
    x = 129,675,516,696,023,840/325,720,259.78
  6. Step 6: Final answer
    x = 398,119,284.28

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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.