Home / 571,310,107.60-788,408,456.52-310,549,723.60

Finding the Fourth Proportional to 571,310,107.60, 788,408,456.52 and 310,549,723.60

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Solution

The fourth proportional to 571,310,107.60, 788,408,456.52 and 310,549,723.60 is: 428,558,894.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,310,107.60 : 788,408,456.52 = 310,549,723.60 : x
  2. Step 2: Convert to fraction form
    571,310,107.60/788,408,456.52 = 310,549,723.60/x
  3. Step 3: Cross multiply
    571,310,107.60x = 788,408,456.52 × 310,549,723.60
  4. Step 4: Simplify right side
    571,310,107.60x = 244,840,028,256,188,640
  5. Step 5: Solve for x
    x = 244,840,028,256,188,640/571,310,107.60
  6. Step 6: Final answer
    x = 428,558,894.72

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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.