Home / 256,656,525,630.12-354,222,837,404.64-153,777,708,164.52

Finding the Fourth Proportional to 256,656,525,630.12, 354,222,837,404.64 and 153,777,708,164.52

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Solution

The fourth proportional to 256,656,525,630.12, 354,222,837,404.64 and 153,777,708,164.52 is: 212,235,305,460.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,656,525,630.12 : 354,222,837,404.64 = 153,777,708,164.52 : x
  2. Step 2: Convert to fraction form
    256,656,525,630.12/354,222,837,404.64 = 153,777,708,164.52/x
  3. Step 3: Cross multiply
    256,656,525,630.12x = 354,222,837,404.64 × 153,777,708,164.52
  4. Step 4: Simplify right side
    256,656,525,630.12x = 54,471,576,115,618,944,909,312
  5. Step 5: Solve for x
    x = 54,471,576,115,618,944,909,312/256,656,525,630.12
  6. Step 6: Final answer
    x = 212,235,305,460.81

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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.