Home / 463,845,423.28-640,107,093.54-255,005,119.12

Finding the Fourth Proportional to 463,845,423.28, 640,107,093.54 and 255,005,119.12

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Solution

The fourth proportional to 463,845,423.28, 640,107,093.54 and 255,005,119.12 is: 351,907,289.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,845,423.28 : 640,107,093.54 = 255,005,119.12 : x
  2. Step 2: Convert to fraction form
    463,845,423.28/640,107,093.54 = 255,005,119.12/x
  3. Step 3: Cross multiply
    463,845,423.28x = 640,107,093.54 × 255,005,119.12
  4. Step 4: Simplify right side
    463,845,423.28x = 163,230,585,637,724,672
  5. Step 5: Solve for x
    x = 163,230,585,637,724,672/463,845,423.28
  6. Step 6: Final answer
    x = 351,907,289.47

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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.