Home / 325,376,460.96-488,064,299.76-83,039,390.88

Finding the Fourth Proportional to 325,376,460.96, 488,064,299.76 and 83,039,390.88

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Solution

The fourth proportional to 325,376,460.96, 488,064,299.76 and 83,039,390.88 is: 124,558,986.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,376,460.96 : 488,064,299.76 = 83,039,390.88 : x
  2. Step 2: Convert to fraction form
    325,376,460.96/488,064,299.76 = 83,039,390.88/x
  3. Step 3: Cross multiply
    325,376,460.96x = 488,064,299.76 × 83,039,390.88
  4. Step 4: Simplify right side
    325,376,460.96x = 40,528,562,162,344,128
  5. Step 5: Solve for x
    x = 40,528,562,162,344,128/325,376,460.96
  6. Step 6: Final answer
    x = 124,558,986.36

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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.