Home / 354,824,065.80-532,236,098.70-328,281,985.80

Finding the Fourth Proportional to 354,824,065.80, 532,236,098.70 and 328,281,985.80

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Solution

The fourth proportional to 354,824,065.80, 532,236,098.70 and 328,281,985.80 is: 492,422,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,824,065.80 : 532,236,098.70 = 328,281,985.80 : x
  2. Step 2: Convert to fraction form
    354,824,065.80/532,236,098.70 = 328,281,985.80/x
  3. Step 3: Cross multiply
    354,824,065.80x = 532,236,098.70 × 328,281,985.80
  4. Step 4: Simplify right side
    354,824,065.80x = 174,723,523,395,680,800
  5. Step 5: Solve for x
    x = 174,723,523,395,680,800/354,824,065.80
  6. Step 6: Final answer
    x = 492,422,978.70

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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.