Home / 375,072,318.88-561,701,416.56-324,280,731.04

Finding the Fourth Proportional to 375,072,318.88, 561,701,416.56 and 324,280,731.04

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Solution

The fourth proportional to 375,072,318.88, 561,701,416.56 and 324,280,731.04 is: 485,636,867.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,072,318.88 : 561,701,416.56 = 324,280,731.04 : x
  2. Step 2: Convert to fraction form
    375,072,318.88/561,701,416.56 = 324,280,731.04/x
  3. Step 3: Cross multiply
    375,072,318.88x = 561,701,416.56 × 324,280,731.04
  4. Step 4: Simplify right side
    375,072,318.88x = 182,148,945,988,280,352
  5. Step 5: Solve for x
    x = 182,148,945,988,280,352/375,072,318.88
  6. Step 6: Final answer
    x = 485,636,867.40

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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.