Home / 285,891,333.84-428,884,832.88-224,478,015.12

Finding the Fourth Proportional to 285,891,333.84, 428,884,832.88 and 224,478,015.12

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Solution

The fourth proportional to 285,891,333.84, 428,884,832.88 and 224,478,015.12 is: 336,754,579.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,891,333.84 : 428,884,832.88 = 224,478,015.12 : x
  2. Step 2: Convert to fraction form
    285,891,333.84/428,884,832.88 = 224,478,015.12/x
  3. Step 3: Cross multiply
    285,891,333.84x = 428,884,832.88 × 224,478,015.12
  4. Step 4: Simplify right side
    285,891,333.84x = 96,275,215,999,975,312
  5. Step 5: Solve for x
    x = 96,275,215,999,975,312/285,891,333.84
  6. Step 6: Final answer
    x = 336,754,579.81

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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.