Home / 256,140,159.10-354,069,144.75-228,536,457.46

Finding the Fourth Proportional to 256,140,159.10, 354,069,144.75 and 228,536,457.46

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Solution

The fourth proportional to 256,140,159.10, 354,069,144.75 and 228,536,457.46 is: 315,911,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,140,159.10 : 354,069,144.75 = 228,536,457.46 : x
  2. Step 2: Convert to fraction form
    256,140,159.10/354,069,144.75 = 228,536,457.46/x
  3. Step 3: Cross multiply
    256,140,159.10x = 354,069,144.75 × 228,536,457.46
  4. Step 4: Simplify right side
    256,140,159.10x = 80,917,708,037,056,960
  5. Step 5: Solve for x
    x = 80,917,708,037,056,960/256,140,159.10
  6. Step 6: Final answer
    x = 315,911,836.40

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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.