Home / 459,688,234.60-689,868,275.10-323,639,338.60

Finding the Fourth Proportional to 459,688,234.60, 689,868,275.10 and 323,639,338.60

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Solution

The fourth proportional to 459,688,234.60, 689,868,275.10 and 323,639,338.60 is: 485,695,511.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,688,234.60 : 689,868,275.10 = 323,639,338.60 : x
  2. Step 2: Convert to fraction form
    459,688,234.60/689,868,275.10 = 323,639,338.60/x
  3. Step 3: Cross multiply
    459,688,234.60x = 689,868,275.10 × 323,639,338.60
  4. Step 4: Simplify right side
    459,688,234.60x = 223,268,512,274,486,880
  5. Step 5: Solve for x
    x = 223,268,512,274,486,880/459,688,234.60
  6. Step 6: Final answer
    x = 485,695,511.59

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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.