Home / 855,263,303.60-1,180,263,369.04-464,122,727.60

Finding the Fourth Proportional to 855,263,303.60, 1,180,263,369.04 and 464,122,727.60

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Solution

The fourth proportional to 855,263,303.60, 1,180,263,369.04 and 464,122,727.60 is: 640,489,369.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,263,303.60 : 1,180,263,369.04 = 464,122,727.60 : x
  2. Step 2: Convert to fraction form
    855,263,303.60/1,180,263,369.04 = 464,122,727.60/x
  3. Step 3: Cross multiply
    855,263,303.60x = 1,180,263,369.04 × 464,122,727.60
  4. Step 4: Simplify right side
    855,263,303.60x = 547,787,054,118,148,544
  5. Step 5: Solve for x
    x = 547,787,054,118,148,544/855,263,303.60
  6. Step 6: Final answer
    x = 640,489,369.55

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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.