Home / 613,787,109.44-920,569,749.78-176,980,398.80

Finding the Fourth Proportional to 613,787,109.44, 920,569,749.78 and 176,980,398.80

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Solution

The fourth proportional to 613,787,109.44, 920,569,749.78 and 176,980,398.80 is: 265,438,616.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,787,109.44 : 920,569,749.78 = 176,980,398.80 : x
  2. Step 2: Convert to fraction form
    613,787,109.44/920,569,749.78 = 176,980,398.80/x
  3. Step 3: Cross multiply
    613,787,109.44x = 920,569,749.78 × 176,980,398.80
  4. Step 4: Simplify right side
    613,787,109.44x = 162,922,801,439,280,608
  5. Step 5: Solve for x
    x = 162,922,801,439,280,608/613,787,109.44
  6. Step 6: Final answer
    x = 265,438,616.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.