Home / 347,640,672,979.83-521,520,417,782.05-143,322,168,789.35

Finding the Fourth Proportional to 347,640,672,979.83, 521,520,417,782.05 and 143,322,168,789.35

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Solution

The fourth proportional to 347,640,672,979.83, 521,520,417,782.05 and 143,322,168,789.35 is: 215,007,745,508.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,640,672,979.83 : 521,520,417,782.05 = 143,322,168,789.35 : x
  2. Step 2: Convert to fraction form
    347,640,672,979.83/521,520,417,782.05 = 143,322,168,789.35/x
  3. Step 3: Cross multiply
    347,640,672,979.83x = 521,520,417,782.05 × 143,322,168,789.35
  4. Step 4: Simplify right side
    347,640,672,979.83x = 74,745,437,344,451,300,163,584
  5. Step 5: Solve for x
    x = 74,745,437,344,451,300,163,584/347,640,672,979.83
  6. Step 6: Final answer
    x = 215,007,745,508.50

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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.