Home / 218,329,786,936.56-301,310,697,044.46-120,669,326,966.79

Finding the Fourth Proportional to 218,329,786,936.56, 301,310,697,044.46 and 120,669,326,966.79

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Solution

The fourth proportional to 218,329,786,936.56, 301,310,697,044.46 and 120,669,326,966.79 is: 166,532,288,289.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,329,786,936.56 : 301,310,697,044.46 = 120,669,326,966.79 : x
  2. Step 2: Convert to fraction form
    218,329,786,936.56/301,310,697,044.46 = 120,669,326,966.79/x
  3. Step 3: Cross multiply
    218,329,786,936.56x = 301,310,697,044.46 × 120,669,326,966.79
  4. Step 4: Simplify right side
    218,329,786,936.56x = 36,358,959,020,249,349,881,856
  5. Step 5: Solve for x
    x = 36,358,959,020,249,349,881,856/218,329,786,936.56
  6. Step 6: Final answer
    x = 166,532,288,289.25

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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.