Home / 757,249,380.80-1,135,090,250.40-411,472,433.60

Finding the Fourth Proportional to 757,249,380.80, 1,135,090,250.40 and 411,472,433.60

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Solution

The fourth proportional to 757,249,380.80, 1,135,090,250.40 and 411,472,433.60 is: 616,782,739.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,249,380.80 : 1,135,090,250.40 = 411,472,433.60 : x
  2. Step 2: Convert to fraction form
    757,249,380.80/1,135,090,250.40 = 411,472,433.60/x
  3. Step 3: Cross multiply
    757,249,380.80x = 1,135,090,250.40 × 411,472,433.60
  4. Step 4: Simplify right side
    757,249,380.80x = 467,058,347,687,721,408
  5. Step 5: Solve for x
    x = 467,058,347,687,721,408/757,249,380.80
  6. Step 6: Final answer
    x = 616,782,739.65

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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.