Home / 1,540,213,838.85-2,297,371,212.09-1,398,818,070.26

Finding the Fourth Proportional to 1,540,213,838.85, 2,297,371,212.09 and 1,398,818,070.26

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Solution

The fourth proportional to 1,540,213,838.85, 2,297,371,212.09 and 1,398,818,070.26 is: 2,086,466,362.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,213,838.85 : 2,297,371,212.09 = 1,398,818,070.26 : x
  2. Step 2: Convert to fraction form
    1,540,213,838.85/2,297,371,212.09 = 1,398,818,070.26/x
  3. Step 3: Cross multiply
    1,540,213,838.85x = 2,297,371,212.09 × 1,398,818,070.26
  4. Step 4: Simplify right side
    1,540,213,838.85x = 3,213,604,365,555,124,736
  5. Step 5: Solve for x
    x = 3,213,604,365,555,124,736/1,540,213,838.85
  6. Step 6: Final answer
    x = 2,086,466,362.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.