Home / 13,418,889,957.80-20,128,334,936.70-4,585,702,808.60

Finding the Fourth Proportional to 13,418,889,957.80, 20,128,334,936.70 and 4,585,702,808.60

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Solution

The fourth proportional to 13,418,889,957.80, 20,128,334,936.70 and 4,585,702,808.60 is: 6,878,554,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,418,889,957.80 : 20,128,334,936.70 = 4,585,702,808.60 : x
  2. Step 2: Convert to fraction form
    13,418,889,957.80/20,128,334,936.70 = 4,585,702,808.60/x
  3. Step 3: Cross multiply
    13,418,889,957.80x = 20,128,334,936.70 × 4,585,702,808.60
  4. Step 4: Simplify right side
    13,418,889,957.80x = 92,302,562,051,666,706,432
  5. Step 5: Solve for x
    x = 92,302,562,051,666,706,432/13,418,889,957.80
  6. Step 6: Final answer
    x = 6,878,554,212.90

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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.