Home / 357,366,905.80-536,050,358.70-321,087,200.20

Finding the Fourth Proportional to 357,366,905.80, 536,050,358.70 and 321,087,200.20

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Solution

The fourth proportional to 357,366,905.80, 536,050,358.70 and 321,087,200.20 is: 481,630,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,366,905.80 : 536,050,358.70 = 321,087,200.20 : x
  2. Step 2: Convert to fraction form
    357,366,905.80/536,050,358.70 = 321,087,200.20/x
  3. Step 3: Cross multiply
    357,366,905.80x = 536,050,358.70 × 321,087,200.20
  4. Step 4: Simplify right side
    357,366,905.80x = 172,118,908,841,188,704
  5. Step 5: Solve for x
    x = 172,118,908,841,188,704/357,366,905.80
  6. Step 6: Final answer
    x = 481,630,800.30

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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.