Home / 279,938,430.10-419,907,645.15-254,408,266.90

Finding the Fourth Proportional to 279,938,430.10, 419,907,645.15 and 254,408,266.90

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Solution

The fourth proportional to 279,938,430.10, 419,907,645.15 and 254,408,266.90 is: 381,612,400.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,938,430.10 : 419,907,645.15 = 254,408,266.90 : x
  2. Step 2: Convert to fraction form
    279,938,430.10/419,907,645.15 = 254,408,266.90/x
  3. Step 3: Cross multiply
    279,938,430.10x = 419,907,645.15 × 254,408,266.90
  4. Step 4: Simplify right side
    279,938,430.10x = 106,827,976,260,671,680
  5. Step 5: Solve for x
    x = 106,827,976,260,671,680/279,938,430.10
  6. Step 6: Final answer
    x = 381,612,400.35

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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.