Home / 480,168,605.93-662,429,770.26-321,449,862.07

Finding the Fourth Proportional to 480,168,605.93, 662,429,770.26 and 321,449,862.07

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Solution

The fourth proportional to 480,168,605.93, 662,429,770.26 and 321,449,862.07 is: 443,464,973.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,168,605.93 : 662,429,770.26 = 321,449,862.07 : x
  2. Step 2: Convert to fraction form
    480,168,605.93/662,429,770.26 = 321,449,862.07/x
  3. Step 3: Cross multiply
    480,168,605.93x = 662,429,770.26 × 321,449,862.07
  4. Step 4: Simplify right side
    480,168,605.93x = 212,937,958,277,826,624
  5. Step 5: Solve for x
    x = 212,937,958,277,826,624/480,168,605.93
  6. Step 6: Final answer
    x = 443,464,973.86

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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.