Home / 7,109,359,364.90-9,810,795,687.31-3,937,475,179.89

Finding the Fourth Proportional to 7,109,359,364.90, 9,810,795,687.31 and 3,937,475,179.89

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Solution

The fourth proportional to 7,109,359,364.90, 9,810,795,687.31 and 3,937,475,179.89 is: 5,433,649,156.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,109,359,364.90 : 9,810,795,687.31 = 3,937,475,179.89 : x
  2. Step 2: Convert to fraction form
    7,109,359,364.90/9,810,795,687.31 = 3,937,475,179.89/x
  3. Step 3: Cross multiply
    7,109,359,364.90x = 9,810,795,687.31 × 3,937,475,179.89
  4. Step 4: Simplify right side
    7,109,359,364.90x = 38,629,764,513,760,485,376
  5. Step 5: Solve for x
    x = 38,629,764,513,760,485,376/7,109,359,364.90
  6. Step 6: Final answer
    x = 5,433,649,156.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.