Home / 836,775,799.77-1,254,775,836.09-312,004,000.05

Finding the Fourth Proportional to 836,775,799.77, 1,254,775,836.09 and 312,004,000.05

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Solution

The fourth proportional to 836,775,799.77, 1,254,775,836.09 and 312,004,000.05 is: 467,861,379.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,775,799.77 : 1,254,775,836.09 = 312,004,000.05 : x
  2. Step 2: Convert to fraction form
    836,775,799.77/1,254,775,836.09 = 312,004,000.05/x
  3. Step 3: Cross multiply
    836,775,799.77x = 1,254,775,836.09 × 312,004,000.05
  4. Step 4: Simplify right side
    836,775,799.77x = 391,495,080,026,163,136
  5. Step 5: Solve for x
    x = 391,495,080,026,163,136/836,775,799.77
  6. Step 6: Final answer
    x = 467,861,379.52

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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.