Home / 1,639,532,671.86-2,459,298,914.39-459,287,891.91

Finding the Fourth Proportional to 1,639,532,671.86, 2,459,298,914.39 and 459,287,891.91

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Solution

The fourth proportional to 1,639,532,671.86, 2,459,298,914.39 and 459,287,891.91 is: 688,931,811.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,532,671.86 : 2,459,298,914.39 = 459,287,891.91 : x
  2. Step 2: Convert to fraction form
    1,639,532,671.86/2,459,298,914.39 = 459,287,891.91/x
  3. Step 3: Cross multiply
    1,639,532,671.86x = 2,459,298,914.39 × 459,287,891.91
  4. Step 4: Simplify right side
    1,639,532,671.86x = 1,129,526,213,967,882,880
  5. Step 5: Solve for x
    x = 1,129,526,213,967,882,880/1,639,532,671.86
  6. Step 6: Final answer
    x = 688,931,811.70

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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.