Home / 357,366,979.30-536,050,468.95-321,087,273.70

Finding the Fourth Proportional to 357,366,979.30, 536,050,468.95 and 321,087,273.70

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Solution

The fourth proportional to 357,366,979.30, 536,050,468.95 and 321,087,273.70 is: 481,630,910.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,366,979.30 : 536,050,468.95 = 321,087,273.70 : x
  2. Step 2: Convert to fraction form
    357,366,979.30/536,050,468.95 = 321,087,273.70/x
  3. Step 3: Cross multiply
    357,366,979.30x = 536,050,468.95 × 321,087,273.70
  4. Step 4: Simplify right side
    357,366,979.30x = 172,118,983,640,761,984
  5. Step 5: Solve for x
    x = 172,118,983,640,761,984/357,366,979.30
  6. Step 6: Final answer
    x = 481,630,910.55

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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.