Home / 1,291,886,327.20-1,937,735,754.90-504,791,981.86

Finding the Fourth Proportional to 1,291,886,327.20, 1,937,735,754.90 and 504,791,981.86

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Solution

The fourth proportional to 1,291,886,327.20, 1,937,735,754.90 and 504,791,981.86 is: 757,151,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,886,327.20 : 1,937,735,754.90 = 504,791,981.86 : x
  2. Step 2: Convert to fraction form
    1,291,886,327.20/1,937,735,754.90 = 504,791,981.86/x
  3. Step 3: Cross multiply
    1,291,886,327.20x = 1,937,735,754.90 × 504,791,981.86
  4. Step 4: Simplify right side
    1,291,886,327.20x = 978,153,472,036,954,240
  5. Step 5: Solve for x
    x = 978,153,472,036,954,240/1,291,886,327.20
  6. Step 6: Final answer
    x = 757,151,346.40

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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.