Home / 20,920,394,322.30-28,869,868,459.02-11,764,920,446.04

Finding the Fourth Proportional to 20,920,394,322.30, 28,869,868,459.02 and 11,764,920,446.04

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Solution

The fourth proportional to 20,920,394,322.30, 28,869,868,459.02 and 11,764,920,446.04 is: 16,235,435,167.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,920,394,322.30 : 28,869,868,459.02 = 11,764,920,446.04 : x
  2. Step 2: Convert to fraction form
    20,920,394,322.30/28,869,868,459.02 = 11,764,920,446.04/x
  3. Step 3: Cross multiply
    20,920,394,322.30x = 28,869,868,459.02 × 11,764,920,446.04
  4. Step 4: Simplify right side
    20,920,394,322.30x = 339,651,705,708,009,750,528
  5. Step 5: Solve for x
    x = 339,651,705,708,009,750,528/20,920,394,322.30
  6. Step 6: Final answer
    x = 16,235,435,167.97

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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.