Home / 254,590,128,906.30-381,885,193,359.45-105,480,538,890.30

Finding the Fourth Proportional to 254,590,128,906.30, 381,885,193,359.45 and 105,480,538,890.30

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Solution

The fourth proportional to 254,590,128,906.30, 381,885,193,359.45 and 105,480,538,890.30 is: 158,220,808,335.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,590,128,906.30 : 381,885,193,359.45 = 105,480,538,890.30 : x
  2. Step 2: Convert to fraction form
    254,590,128,906.30/381,885,193,359.45 = 105,480,538,890.30/x
  3. Step 3: Cross multiply
    254,590,128,906.30x = 381,885,193,359.45 × 105,480,538,890.30
  4. Step 4: Simplify right side
    254,590,128,906.30x = 40,281,455,989,781,201,682,432
  5. Step 5: Solve for x
    x = 40,281,455,989,781,201,682,432/254,590,128,906.30
  6. Step 6: Final answer
    x = 158,220,808,335.45

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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.