Home / 20,653,809,513.60-30,988,367,020.80-8,241,048,364.80

Finding the Fourth Proportional to 20,653,809,513.60, 30,988,367,020.80 and 8,241,048,364.80

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Solution

The fourth proportional to 20,653,809,513.60, 30,988,367,020.80 and 8,241,048,364.80 is: 12,364,626,060.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,653,809,513.60 : 30,988,367,020.80 = 8,241,048,364.80 : x
  2. Step 2: Convert to fraction form
    20,653,809,513.60/30,988,367,020.80 = 8,241,048,364.80/x
  3. Step 3: Cross multiply
    20,653,809,513.60x = 30,988,367,020.80 × 8,241,048,364.80
  4. Step 4: Simplify right side
    20,653,809,513.60x = 255,376,631,364,586,078,208
  5. Step 5: Solve for x
    x = 255,376,631,364,586,078,208/20,653,809,513.60
  6. Step 6: Final answer
    x = 12,364,626,060.70

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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.