Home / 256,238,814.30-384,358,221.45-253,850,027.10

Finding the Fourth Proportional to 256,238,814.30, 384,358,221.45 and 253,850,027.10

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Solution

The fourth proportional to 256,238,814.30, 384,358,221.45 and 253,850,027.10 is: 380,775,040.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,238,814.30 : 384,358,221.45 = 253,850,027.10 : x
  2. Step 2: Convert to fraction form
    256,238,814.30/384,358,221.45 = 253,850,027.10/x
  3. Step 3: Cross multiply
    256,238,814.30x = 384,358,221.45 × 253,850,027.10
  4. Step 4: Simplify right side
    256,238,814.30x = 97,569,344,931,190,288
  5. Step 5: Solve for x
    x = 97,569,344,931,190,288/256,238,814.30
  6. Step 6: Final answer
    x = 380,775,040.65

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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.