Home / 20,179,466,121.60-30,269,199,182.40-19,169,303,068.80

Finding the Fourth Proportional to 20,179,466,121.60, 30,269,199,182.40 and 19,169,303,068.80

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Solution

The fourth proportional to 20,179,466,121.60, 30,269,199,182.40 and 19,169,303,068.80 is: 28,753,954,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,179,466,121.60 : 30,269,199,182.40 = 19,169,303,068.80 : x
  2. Step 2: Convert to fraction form
    20,179,466,121.60/30,269,199,182.40 = 19,169,303,068.80/x
  3. Step 3: Cross multiply
    20,179,466,121.60x = 30,269,199,182.40 × 19,169,303,068.80
  4. Step 4: Simplify right side
    20,179,466,121.60x = 580,239,452,777,298,788,352
  5. Step 5: Solve for x
    x = 580,239,452,777,298,788,352/20,179,466,121.60
  6. Step 6: Final answer
    x = 28,753,954,603.20

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1.5x scale

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.