Home / 615,046,489.12-848,763,602.20-347,178,717.24

Finding the Fourth Proportional to 615,046,489.12, 848,763,602.20 and 347,178,717.24

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Solution

The fourth proportional to 615,046,489.12, 848,763,602.20 and 347,178,717.24 is: 479,106,317.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,046,489.12 : 848,763,602.20 = 347,178,717.24 : x
  2. Step 2: Convert to fraction form
    615,046,489.12/848,763,602.20 = 347,178,717.24/x
  3. Step 3: Cross multiply
    615,046,489.12x = 848,763,602.20 × 347,178,717.24
  4. Step 4: Simplify right side
    615,046,489.12x = 294,672,658,651,797,696
  5. Step 5: Solve for x
    x = 294,672,658,651,797,696/615,046,489.12
  6. Step 6: Final answer
    x = 479,106,317.76

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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.