Home / 20,659,875,876.20-30,989,813,814.30-6,686,910,239.60

Finding the Fourth Proportional to 20,659,875,876.20, 30,989,813,814.30 and 6,686,910,239.60

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Solution

The fourth proportional to 20,659,875,876.20, 30,989,813,814.30 and 6,686,910,239.60 is: 10,030,365,359.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,659,875,876.20 : 30,989,813,814.30 = 6,686,910,239.60 : x
  2. Step 2: Convert to fraction form
    20,659,875,876.20/30,989,813,814.30 = 6,686,910,239.60/x
  3. Step 3: Cross multiply
    20,659,875,876.20x = 30,989,813,814.30 × 6,686,910,239.60
  4. Step 4: Simplify right side
    20,659,875,876.20x = 207,226,103,318,140,223,488
  5. Step 5: Solve for x
    x = 207,226,103,318,140,223,488/20,659,875,876.20
  6. Step 6: Final answer
    x = 10,030,365,359.40

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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.