Home / 1,291,037,607.86-1,936,549,970.90-504,171,209.75

Finding the Fourth Proportional to 1,291,037,607.86, 1,936,549,970.90 and 504,171,209.75

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Solution

The fourth proportional to 1,291,037,607.86, 1,936,549,970.90 and 504,171,209.75 is: 756,254,299.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,037,607.86 : 1,936,549,970.90 = 504,171,209.75 : x
  2. Step 2: Convert to fraction form
    1,291,037,607.86/1,936,549,970.90 = 504,171,209.75/x
  3. Step 3: Cross multiply
    1,291,037,607.86x = 1,936,549,970.90 × 504,171,209.75
  4. Step 4: Simplify right side
    1,291,037,607.86x = 976,352,741,557,776,640
  5. Step 5: Solve for x
    x = 976,352,741,557,776,640/1,291,037,607.86
  6. Step 6: Final answer
    x = 756,254,299.35

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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.