Home / 936,238,452.81-1,292,029,941.90-534,344,140.54

Finding the Fourth Proportional to 936,238,452.81, 1,292,029,941.90 and 534,344,140.54

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Solution

The fourth proportional to 936,238,452.81, 1,292,029,941.90 and 534,344,140.54 is: 737,406,829.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,238,452.81 : 1,292,029,941.90 = 534,344,140.54 : x
  2. Step 2: Convert to fraction form
    936,238,452.81/1,292,029,941.90 = 534,344,140.54/x
  3. Step 3: Cross multiply
    936,238,452.81x = 1,292,029,941.90 × 534,344,140.54
  4. Step 4: Simplify right side
    936,238,452.81x = 690,388,628,856,501,760
  5. Step 5: Solve for x
    x = 690,388,628,856,501,760/936,238,452.81
  6. Step 6: Final answer
    x = 737,406,829.19

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Double scale
Find fourth proportional to 936,238,453.81, 1,292,029,943.28 and 534,344,141.54
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1.5x scale

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.