Home / 391,702,370.64-587,532,293.28-119,051,880

Finding the Fourth Proportional to 391,702,370.64, 587,532,293.28 and 119,051,880

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Solution

The fourth proportional to 391,702,370.64, 587,532,293.28 and 119,051,880 is: 178,571,357.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,702,370.64 : 587,532,293.28 = 119,051,880 : x
  2. Step 2: Convert to fraction form
    391,702,370.64/587,532,293.28 = 119,051,880/x
  3. Step 3: Cross multiply
    391,702,370.64x = 587,532,293.28 × 119,051,880
  4. Step 4: Simplify right side
    391,702,370.64x = 69,946,824,075,695,360
  5. Step 5: Solve for x
    x = 69,946,824,075,695,360/391,702,370.64
  6. Step 6: Final answer
    x = 178,571,357.54

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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.