Home / 389,198,328,361.48-583,584,671,800.86-309,038,951,182.60

Finding the Fourth Proportional to 389,198,328,361.48, 583,584,671,800.86 and 309,038,951,182.60

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Solution

The fourth proportional to 389,198,328,361.48, 583,584,671,800.86 and 309,038,951,182.60 is: 463,389,438,641.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,198,328,361.48 : 583,584,671,800.86 = 309,038,951,182.60 : x
  2. Step 2: Convert to fraction form
    389,198,328,361.48/583,584,671,800.86 = 309,038,951,182.60/x
  3. Step 3: Cross multiply
    389,198,328,361.48x = 583,584,671,800.86 × 309,038,951,182.60
  4. Step 4: Simplify right side
    389,198,328,361.48x = 180,350,394,899,579,612,954,624
  5. Step 5: Solve for x
    x = 180,350,394,899,579,612,954,624/389,198,328,361.48
  6. Step 6: Final answer
    x = 463,389,438,641.35

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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.