Home / 1,291,886,323.20-1,937,735,748.90-504,791,977.86

Finding the Fourth Proportional to 1,291,886,323.20, 1,937,735,748.90 and 504,791,977.86

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Solution

The fourth proportional to 1,291,886,323.20, 1,937,735,748.90 and 504,791,977.86 is: 757,151,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,886,323.20 : 1,937,735,748.90 = 504,791,977.86 : x
  2. Step 2: Convert to fraction form
    1,291,886,323.20/1,937,735,748.90 = 504,791,977.86/x
  3. Step 3: Cross multiply
    1,291,886,323.20x = 1,937,735,748.90 × 504,791,977.86
  4. Step 4: Simplify right side
    1,291,886,323.20x = 978,153,461,257,259,392
  5. Step 5: Solve for x
    x = 978,153,461,257,259,392/1,291,886,323.20
  6. Step 6: Final answer
    x = 757,151,340.40

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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.