Home / 571,310,106.60-788,408,455.14-310,549,722.60

Finding the Fourth Proportional to 571,310,106.60, 788,408,455.14 and 310,549,722.60

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Solution

The fourth proportional to 571,310,106.60, 788,408,455.14 and 310,549,722.60 is: 428,558,893.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,310,106.60 : 788,408,455.14 = 310,549,722.60 : x
  2. Step 2: Convert to fraction form
    571,310,106.60/788,408,455.14 = 310,549,722.60/x
  3. Step 3: Cross multiply
    571,310,106.60x = 788,408,455.14 × 310,549,722.60
  4. Step 4: Simplify right side
    571,310,106.60x = 244,840,027,039,221,568
  5. Step 5: Solve for x
    x = 244,840,027,039,221,568/571,310,106.60
  6. Step 6: Final answer
    x = 428,558,893.34

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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.