Home / 555,663,074.56-766,839,826.56-308,127,800.32

Finding the Fourth Proportional to 555,663,074.56, 766,839,826.56 and 308,127,800.32

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Solution

The fourth proportional to 555,663,074.56, 766,839,826.56 and 308,127,800.32 is: 425,230,107.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,663,074.56 : 766,839,826.56 = 308,127,800.32 : x
  2. Step 2: Convert to fraction form
    555,663,074.56/766,839,826.56 = 308,127,800.32/x
  3. Step 3: Cross multiply
    555,663,074.56x = 766,839,826.56 × 308,127,800.32
  4. Step 4: Simplify right side
    555,663,074.56x = 236,284,668,955,703,104
  5. Step 5: Solve for x
    x = 236,284,668,955,703,104/555,663,074.56
  6. Step 6: Final answer
    x = 425,230,107.55

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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.