Home / 1,269,689,352.55-1,752,175,365.85-705,174,131.92

Finding the Fourth Proportional to 1,269,689,352.55, 1,752,175,365.85 and 705,174,131.92

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Solution

The fourth proportional to 1,269,689,352.55, 1,752,175,365.85 and 705,174,131.92 is: 973,142,556.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,689,352.55 : 1,752,175,365.85 = 705,174,131.92 : x
  2. Step 2: Convert to fraction form
    1,269,689,352.55/1,752,175,365.85 = 705,174,131.92/x
  3. Step 3: Cross multiply
    1,269,689,352.55x = 1,752,175,365.85 × 705,174,131.92
  4. Step 4: Simplify right side
    1,269,689,352.55x = 1,235,588,742,584,881,920
  5. Step 5: Solve for x
    x = 1,235,588,742,584,881,920/1,269,689,352.55
  6. Step 6: Final answer
    x = 973,142,556.57

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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.