Home / 502,155,181.89-753,218,848.94-133,693,295.31

Finding the Fourth Proportional to 502,155,181.89, 753,218,848.94 and 133,693,295.31

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Solution

The fourth proportional to 502,155,181.89, 753,218,848.94 and 133,693,295.31 is: 200,536,235.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,155,181.89 : 753,218,848.94 = 133,693,295.31 : x
  2. Step 2: Convert to fraction form
    502,155,181.89/753,218,848.94 = 133,693,295.31/x
  3. Step 3: Cross multiply
    502,155,181.89x = 753,218,848.94 × 133,693,295.31
  4. Step 4: Simplify right side
    502,155,181.89x = 100,700,310,003,725,232
  5. Step 5: Solve for x
    x = 100,700,310,003,725,232/502,155,181.89
  6. Step 6: Final answer
    x = 200,536,235.88

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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.