Home / 1,890,862,130.82-2,836,675,851.53-664,126,241.70

Finding the Fourth Proportional to 1,890,862,130.82, 2,836,675,851.53 and 664,126,241.70

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Solution

The fourth proportional to 1,890,862,130.82, 2,836,675,851.53 and 664,126,241.70 is: 996,323,762.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,862,130.82 : 2,836,675,851.53 = 664,126,241.70 : x
  2. Step 2: Convert to fraction form
    1,890,862,130.82/2,836,675,851.53 = 664,126,241.70/x
  3. Step 3: Cross multiply
    1,890,862,130.82x = 2,836,675,851.53 × 664,126,241.70
  4. Step 4: Simplify right side
    1,890,862,130.82x = 1,883,910,872,205,083,136
  5. Step 5: Solve for x
    x = 1,883,910,872,205,083,136/1,890,862,130.82
  6. Step 6: Final answer
    x = 996,323,762.32

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Double scale
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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.