Home / 555,912,842.58-767,157,384.42-308,394,196.83

Finding the Fourth Proportional to 555,912,842.58, 767,157,384.42 and 308,394,196.83

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Solution

The fourth proportional to 555,912,842.58, 767,157,384.42 and 308,394,196.83 is: 425,582,694.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,912,842.58 : 767,157,384.42 = 308,394,196.83 : x
  2. Step 2: Convert to fraction form
    555,912,842.58/767,157,384.42 = 308,394,196.83/x
  3. Step 3: Cross multiply
    555,912,842.58x = 767,157,384.42 × 308,394,196.83
  4. Step 4: Simplify right side
    555,912,842.58x = 236,586,885,410,409,440
  5. Step 5: Solve for x
    x = 236,586,885,410,409,440/555,912,842.58
  6. Step 6: Final answer
    x = 425,582,694.42

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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.