Home / 5,636,434,791.76-7,778,298,187.92-3,130,308,503.54

Finding the Fourth Proportional to 5,636,434,791.76, 7,778,298,187.92 and 3,130,308,503.54

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Solution

The fourth proportional to 5,636,434,791.76, 7,778,298,187.92 and 3,130,308,503.54 is: 4,319,835,828.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636,434,791.76 : 7,778,298,187.92 = 3,130,308,503.54 : x
  2. Step 2: Convert to fraction form
    5,636,434,791.76/7,778,298,187.92 = 3,130,308,503.54/x
  3. Step 3: Cross multiply
    5,636,434,791.76x = 7,778,298,187.92 × 3,130,308,503.54
  4. Step 4: Simplify right side
    5,636,434,791.76x = 24,348,472,960,735,109,120
  5. Step 5: Solve for x
    x = 24,348,472,960,735,109,120/5,636,434,791.76
  6. Step 6: Final answer
    x = 4,319,835,828.90

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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.