Home / 863,737,673.33-1,295,643,381.77-339,220,449.45

Finding the Fourth Proportional to 863,737,673.33, 1,295,643,381.77 and 339,220,449.45

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Solution

The fourth proportional to 863,737,673.33, 1,295,643,381.77 and 339,220,449.45 is: 508,845,155.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,737,673.33 : 1,295,643,381.77 = 339,220,449.45 : x
  2. Step 2: Convert to fraction form
    863,737,673.33/1,295,643,381.77 = 339,220,449.45/x
  3. Step 3: Cross multiply
    863,737,673.33x = 1,295,643,381.77 × 339,220,449.45
  4. Step 4: Simplify right side
    863,737,673.33x = 439,508,730,291,785,408
  5. Step 5: Solve for x
    x = 439,508,730,291,785,408/863,737,673.33
  6. Step 6: Final answer
    x = 508,845,155.03

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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.