Home / 789,118,575.40-1,183,752,512.70-214,689,903.40

Finding the Fourth Proportional to 789,118,575.40, 1,183,752,512.70 and 214,689,903.40

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Solution

The fourth proportional to 789,118,575.40, 1,183,752,512.70 and 214,689,903.40 is: 322,055,164.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,118,575.40 : 1,183,752,512.70 = 214,689,903.40 : x
  2. Step 2: Convert to fraction form
    789,118,575.40/1,183,752,512.70 = 214,689,903.40/x
  3. Step 3: Cross multiply
    789,118,575.40x = 1,183,752,512.70 × 214,689,903.40
  4. Step 4: Simplify right side
    789,118,575.40x = 254,139,712,601,070,304
  5. Step 5: Solve for x
    x = 254,139,712,601,070,304/789,118,575.40
  6. Step 6: Final answer
    x = 322,055,164.49

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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.