Home / 459,736,385.60-689,940,501.60-323,687,489.60

Finding the Fourth Proportional to 459,736,385.60, 689,940,501.60 and 323,687,489.60

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Solution

The fourth proportional to 459,736,385.60, 689,940,501.60 and 323,687,489.60 is: 485,767,748.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,736,385.60 : 689,940,501.60 = 323,687,489.60 : x
  2. Step 2: Convert to fraction form
    459,736,385.60/689,940,501.60 = 323,687,489.60/x
  3. Step 3: Cross multiply
    459,736,385.60x = 689,940,501.60 × 323,687,489.60
  4. Step 4: Simplify right side
    459,736,385.60x = 223,325,108,936,268,800
  5. Step 5: Solve for x
    x = 223,325,108,936,268,800/459,736,385.60
  6. Step 6: Final answer
    x = 485,767,748.50

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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.