Home / 3,938,402,214.43-5,435,011,318.70-2,129,914,044.41

Finding the Fourth Proportional to 3,938,402,214.43, 5,435,011,318.70 and 2,129,914,044.41

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Solution

The fourth proportional to 3,938,402,214.43, 5,435,011,318.70 and 2,129,914,044.41 is: 2,939,290,176.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,402,214.43 : 5,435,011,318.70 = 2,129,914,044.41 : x
  2. Step 2: Convert to fraction form
    3,938,402,214.43/5,435,011,318.70 = 2,129,914,044.41/x
  3. Step 3: Cross multiply
    3,938,402,214.43x = 5,435,011,318.70 × 2,129,914,044.41
  4. Step 4: Simplify right side
    3,938,402,214.43x = 11,576,106,939,204,595,712
  5. Step 5: Solve for x
    x = 11,576,106,939,204,595,712/3,938,402,214.43
  6. Step 6: Final answer
    x = 2,939,290,176.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.