Home / 571,310,105.60-788,408,453.76-310,549,721.60

Finding the Fourth Proportional to 571,310,105.60, 788,408,453.76 and 310,549,721.60

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Solution

The fourth proportional to 571,310,105.60, 788,408,453.76 and 310,549,721.60 is: 428,558,891.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,310,105.60 : 788,408,453.76 = 310,549,721.60 : x
  2. Step 2: Convert to fraction form
    571,310,105.60/788,408,453.76 = 310,549,721.60/x
  3. Step 3: Cross multiply
    571,310,105.60x = 788,408,453.76 × 310,549,721.60
  4. Step 4: Simplify right side
    571,310,105.60x = 244,840,025,822,254,496
  5. Step 5: Solve for x
    x = 244,840,025,822,254,496/571,310,105.60
  6. Step 6: Final answer
    x = 428,558,891.96

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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.