Home / 2,121,834,847.12-2,906,924,113.07-2,042,308,973.68

Finding the Fourth Proportional to 2,121,834,847.12, 2,906,924,113.07 and 2,042,308,973.68

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Solution

The fourth proportional to 2,121,834,847.12, 2,906,924,113.07 and 2,042,308,973.68 is: 2,797,973,277.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,834,847.12 : 2,906,924,113.07 = 2,042,308,973.68 : x
  2. Step 2: Convert to fraction form
    2,121,834,847.12/2,906,924,113.07 = 2,042,308,973.68/x
  3. Step 3: Cross multiply
    2,121,834,847.12x = 2,906,924,113.07 × 2,042,308,973.68
  4. Step 4: Simplify right side
    2,121,834,847.12x = 5,936,837,201,929,636,864
  5. Step 5: Solve for x
    x = 5,936,837,201,929,636,864/2,121,834,847.12
  6. Step 6: Final answer
    x = 2,797,973,277.70

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.