Home / 565,355,115.60-780,185,366.28-317,837,570.64

Finding the Fourth Proportional to 565,355,115.60, 780,185,366.28 and 317,837,570.64

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Solution

The fourth proportional to 565,355,115.60, 780,185,366.28 and 317,837,570.64 is: 438,613,208.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,355,115.60 : 780,185,366.28 = 317,837,570.64 : x
  2. Step 2: Convert to fraction form
    565,355,115.60/780,185,366.28 = 317,837,570.64/x
  3. Step 3: Cross multiply
    565,355,115.60x = 780,185,366.28 × 317,837,570.64
  4. Step 4: Simplify right side
    565,355,115.60x = 247,972,221,467,313,760
  5. Step 5: Solve for x
    x = 247,972,221,467,313,760/565,355,115.60
  6. Step 6: Final answer
    x = 438,613,208.98

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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.