Home / 12,280,418,871.58-16,946,978,069.37-6,641,634,722.23

Finding the Fourth Proportional to 12,280,418,871.58, 16,946,978,069.37 and 6,641,634,722.23

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Solution

The fourth proportional to 12,280,418,871.58, 16,946,978,069.37 and 6,641,634,722.23 is: 9,165,455,931.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,280,418,871.58 : 16,946,978,069.37 = 6,641,634,722.23 : x
  2. Step 2: Convert to fraction form
    12,280,418,871.58/16,946,978,069.37 = 6,641,634,722.23/x
  3. Step 3: Cross multiply
    12,280,418,871.58x = 16,946,978,069.37 × 6,641,634,722.23
  4. Step 4: Simplify right side
    12,280,418,871.58x = 112,555,637,982,398,119,936
  5. Step 5: Solve for x
    x = 112,555,637,982,398,119,936/12,280,418,871.58
  6. Step 6: Final answer
    x = 9,165,455,931.06

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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.