Home / 8,320,345,407.60-12,480,518,111.40-2,797,767,999.60

Finding the Fourth Proportional to 8,320,345,407.60, 12,480,518,111.40 and 2,797,767,999.60

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Solution

The fourth proportional to 8,320,345,407.60, 12,480,518,111.40 and 2,797,767,999.60 is: 4,196,651,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,345,407.60 : 12,480,518,111.40 = 2,797,767,999.60 : x
  2. Step 2: Convert to fraction form
    8,320,345,407.60/12,480,518,111.40 = 2,797,767,999.60/x
  3. Step 3: Cross multiply
    8,320,345,407.60x = 12,480,518,111.40 × 2,797,767,999.60
  4. Step 4: Simplify right side
    8,320,345,407.60x = 34,917,594,190,503,145,472
  5. Step 5: Solve for x
    x = 34,917,594,190,503,145,472/8,320,345,407.60
  6. Step 6: Final answer
    x = 4,196,651,999.40

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Double scale
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Similar ratio
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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.