Home / 408,540,348,085.55-612,810,522,128.30-408,540,348,085.55

Finding the Fourth Proportional to 408,540,348,085.55, 612,810,522,128.30 and 408,540,348,085.55

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Solution

The fourth proportional to 408,540,348,085.55, 612,810,522,128.30 and 408,540,348,085.55 is: 612,810,522,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,540,348,085.55 : 612,810,522,128.30 = 408,540,348,085.55 : x
  2. Step 2: Convert to fraction form
    408,540,348,085.55/612,810,522,128.30 = 408,540,348,085.55/x
  3. Step 3: Cross multiply
    408,540,348,085.55x = 612,810,522,128.30 × 408,540,348,085.55
  4. Step 4: Simplify right side
    408,540,348,085.55x = 250,357,824,020,783,319,482,368
  5. Step 5: Solve for x
    x = 250,357,824,020,783,319,482,368/408,540,348,085.55
  6. Step 6: Final answer
    x = 612,810,522,128.30

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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.