Home / 349,106,454-523,662,305.40-154,965,676.68

Finding the Fourth Proportional to 349,106,454, 523,662,305.40 and 154,965,676.68

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Solution

The fourth proportional to 349,106,454, 523,662,305.40 and 154,965,676.68 is: 232,449,679.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,106,454 : 523,662,305.40 = 154,965,676.68 : x
  2. Step 2: Convert to fraction form
    349,106,454/523,662,305.40 = 154,965,676.68/x
  3. Step 3: Cross multiply
    349,106,454x = 523,662,305.40 × 154,965,676.68
  4. Step 4: Simplify right side
    349,106,454x = 81,149,683,508,119,824
  5. Step 5: Solve for x
    x = 81,149,683,508,119,824/349,106,454
  6. Step 6: Final answer
    x = 232,449,679.97

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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.