Home / 836,775,801.27-1,254,775,838.34-312,004,001.55

Finding the Fourth Proportional to 836,775,801.27, 1,254,775,838.34 and 312,004,001.55

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Solution

The fourth proportional to 836,775,801.27, 1,254,775,838.34 and 312,004,001.55 is: 467,861,381.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,775,801.27 : 1,254,775,838.34 = 312,004,001.55 : x
  2. Step 2: Convert to fraction form
    836,775,801.27/1,254,775,838.34 = 312,004,001.55/x
  3. Step 3: Cross multiply
    836,775,801.27x = 1,254,775,838.34 × 312,004,001.55
  4. Step 4: Simplify right side
    836,775,801.27x = 391,495,082,610,335,872
  5. Step 5: Solve for x
    x = 391,495,082,610,335,872/836,775,801.27
  6. Step 6: Final answer
    x = 467,861,381.77

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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.