Home / 384,365,109.39-576,645,980.66-111,735,876.39

Finding the Fourth Proportional to 384,365,109.39, 576,645,980.66 and 111,735,876.39

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Solution

The fourth proportional to 384,365,109.39, 576,645,980.66 and 111,735,876.39 is: 167,632,395.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,365,109.39 : 576,645,980.66 = 111,735,876.39 : x
  2. Step 2: Convert to fraction form
    384,365,109.39/576,645,980.66 = 111,735,876.39/x
  3. Step 3: Cross multiply
    384,365,109.39x = 576,645,980.66 × 111,735,876.39
  4. Step 4: Simplify right side
    384,365,109.39x = 64,432,044,015,816,088
  5. Step 5: Solve for x
    x = 64,432,044,015,816,088/384,365,109.39
  6. Step 6: Final answer
    x = 167,632,395.45

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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.