Home / 4,780,312,826.21-7,170,482,691.50-1,833,495,731.76

Finding the Fourth Proportional to 4,780,312,826.21, 7,170,482,691.50 and 1,833,495,731.76

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Solution

The fourth proportional to 4,780,312,826.21, 7,170,482,691.50 and 1,833,495,731.76 is: 2,750,248,757.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780,312,826.21 : 7,170,482,691.50 = 1,833,495,731.76 : x
  2. Step 2: Convert to fraction form
    4,780,312,826.21/7,170,482,691.50 = 1,833,495,731.76/x
  3. Step 3: Cross multiply
    4,780,312,826.21x = 7,170,482,691.50 × 1,833,495,731.76
  4. Step 4: Simplify right side
    4,780,312,826.21x = 13,147,049,409,515,038,720
  5. Step 5: Solve for x
    x = 13,147,049,409,515,038,720/4,780,312,826.21
  6. Step 6: Final answer
    x = 2,750,248,757.25

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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.