Home / 1,890,862,346.50-2,836,676,175.04-664,126,457.38

Finding the Fourth Proportional to 1,890,862,346.50, 2,836,676,175.04 and 664,126,457.38

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Solution

The fourth proportional to 1,890,862,346.50, 2,836,676,175.04 and 664,126,457.38 is: 996,324,085.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,862,346.50 : 2,836,676,175.04 = 664,126,457.38 : x
  2. Step 2: Convert to fraction form
    1,890,862,346.50/2,836,676,175.04 = 664,126,457.38/x
  3. Step 3: Cross multiply
    1,890,862,346.50x = 2,836,676,175.04 × 664,126,457.38
  4. Step 4: Simplify right side
    1,890,862,346.50x = 1,883,911,698,863,564,032
  5. Step 5: Solve for x
    x = 1,883,911,698,863,564,032/1,890,862,346.50
  6. Step 6: Final answer
    x = 996,324,085.86

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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.