Home / 449,374,676.85-674,135,790.08-138,482,345.52

Finding the Fourth Proportional to 449,374,676.85, 674,135,790.08 and 138,482,345.52

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Solution

The fourth proportional to 449,374,676.85, 674,135,790.08 and 138,482,345.52 is: 207,746,253.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,374,676.85 : 674,135,790.08 = 138,482,345.52 : x
  2. Step 2: Convert to fraction form
    449,374,676.85/674,135,790.08 = 138,482,345.52/x
  3. Step 3: Cross multiply
    449,374,676.85x = 674,135,790.08 × 138,482,345.52
  4. Step 4: Simplify right side
    449,374,676.85x = 93,355,905,408,564,352
  5. Step 5: Solve for x
    x = 93,355,905,408,564,352/449,374,676.85
  6. Step 6: Final answer
    x = 207,746,253.22

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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.