Home / 256,577,628.20-354,128,566.04-152,213,628.20

Finding the Fourth Proportional to 256,577,628.20, 354,128,566.04 and 152,213,628.20

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Solution

The fourth proportional to 256,577,628.20, 354,128,566.04 and 152,213,628.20 is: 210,085,322.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,577,628.20 : 354,128,566.04 = 152,213,628.20 : x
  2. Step 2: Convert to fraction form
    256,577,628.20/354,128,566.04 = 152,213,628.20/x
  3. Step 3: Cross multiply
    256,577,628.20x = 354,128,566.04 × 152,213,628.20
  4. Step 4: Simplify right side
    256,577,628.20x = 53,903,193,886,211,704
  5. Step 5: Solve for x
    x = 53,903,193,886,211,704/256,577,628.20
  6. Step 6: Final answer
    x = 210,085,322.97

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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.