Home / 325,376,448.96-488,064,281.76-83,039,378.88

Finding the Fourth Proportional to 325,376,448.96, 488,064,281.76 and 83,039,378.88

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Solution

The fourth proportional to 325,376,448.96, 488,064,281.76 and 83,039,378.88 is: 124,558,968.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,376,448.96 : 488,064,281.76 = 83,039,378.88 : x
  2. Step 2: Convert to fraction form
    325,376,448.96/488,064,281.76 = 83,039,378.88/x
  3. Step 3: Cross multiply
    325,376,448.96x = 488,064,281.76 × 83,039,378.88
  4. Step 4: Simplify right side
    325,376,448.96x = 40,528,554,810,863,712
  5. Step 5: Solve for x
    x = 40,528,554,810,863,712/325,376,448.96
  6. Step 6: Final answer
    x = 124,558,968.36

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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.