Home / 317,908,011.30-438,717,009.87-192,458,542.02

Finding the Fourth Proportional to 317,908,011.30, 438,717,009.87 and 192,458,542.02

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Solution

The fourth proportional to 317,908,011.30, 438,717,009.87 and 192,458,542.02 is: 265,595,181.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,908,011.30 : 438,717,009.87 = 192,458,542.02 : x
  2. Step 2: Convert to fraction form
    317,908,011.30/438,717,009.87 = 192,458,542.02/x
  3. Step 3: Cross multiply
    317,908,011.30x = 438,717,009.87 × 192,458,542.02
  4. Step 4: Simplify right side
    317,908,011.30x = 84,434,836,078,954,160
  5. Step 5: Solve for x
    x = 84,434,836,078,954,160/317,908,011.30
  6. Step 6: Final answer
    x = 265,595,181.87

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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.