Home / 477,840,273.63-659,452,719.59-289,676,498.60

Finding the Fourth Proportional to 477,840,273.63, 659,452,719.59 and 289,676,498.60

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Solution

The fourth proportional to 477,840,273.63, 659,452,719.59 and 289,676,498.60 is: 399,773,659.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,840,273.63 : 659,452,719.59 = 289,676,498.60 : x
  2. Step 2: Convert to fraction form
    477,840,273.63/659,452,719.59 = 289,676,498.60/x
  3. Step 3: Cross multiply
    477,840,273.63x = 659,452,719.59 × 289,676,498.60
  4. Step 4: Simplify right side
    477,840,273.63x = 191,027,954,803,078,848
  5. Step 5: Solve for x
    x = 191,027,954,803,078,848/477,840,273.63
  6. Step 6: Final answer
    x = 399,773,659.41

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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.