Home / 14,128,060,486.12-19,490,597,279.94-8,409,138,188.20

Finding the Fourth Proportional to 14,128,060,486.12, 19,490,597,279.94 and 8,409,138,188.20

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Solution

The fourth proportional to 14,128,060,486.12, 19,490,597,279.94 and 8,409,138,188.20 is: 11,600,964,340.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128,060,486.12 : 19,490,597,279.94 = 8,409,138,188.20 : x
  2. Step 2: Convert to fraction form
    14,128,060,486.12/19,490,597,279.94 = 8,409,138,188.20/x
  3. Step 3: Cross multiply
    14,128,060,486.12x = 19,490,597,279.94 × 8,409,138,188.20
  4. Step 4: Simplify right side
    14,128,060,486.12x = 163,899,125,897,570,484,224
  5. Step 5: Solve for x
    x = 163,899,125,897,570,484,224/14,128,060,486.12
  6. Step 6: Final answer
    x = 11,600,964,340.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.