Home / 526,771,626-789,989,963.40-492,381,993.84

Finding the Fourth Proportional to 526,771,626, 789,989,963.40 and 492,381,993.84

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Solution

The fourth proportional to 526,771,626, 789,989,963.40 and 492,381,993.84 is: 738,416,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,771,626 : 789,989,963.40 = 492,381,993.84 : x
  2. Step 2: Convert to fraction form
    526,771,626/789,989,963.40 = 492,381,993.84/x
  3. Step 3: Cross multiply
    526,771,626x = 789,989,963.40 × 492,381,993.84
  4. Step 4: Simplify right side
    526,771,626x = 388,976,833,292,480,576
  5. Step 5: Solve for x
    x = 388,976,833,292,480,576/526,771,626
  6. Step 6: Final answer
    x = 738,416,448.60

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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.