Home / 4,780,312,817.75-7,170,482,678.76-1,833,495,723.28

Finding the Fourth Proportional to 4,780,312,817.75, 7,170,482,678.76 and 1,833,495,723.28

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Solution

The fourth proportional to 4,780,312,817.75, 7,170,482,678.76 and 1,833,495,723.28 is: 2,750,248,744.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780,312,817.75 : 7,170,482,678.76 = 1,833,495,723.28 : x
  2. Step 2: Convert to fraction form
    4,780,312,817.75/7,170,482,678.76 = 1,833,495,723.28/x
  3. Step 3: Cross multiply
    4,780,312,817.75x = 7,170,482,678.76 × 1,833,495,723.28
  4. Step 4: Simplify right side
    4,780,312,817.75x = 13,147,049,325,341,851,648
  5. Step 5: Solve for x
    x = 13,147,049,325,341,851,648/4,780,312,817.75
  6. Step 6: Final answer
    x = 2,750,248,744.50

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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.