Home / 1,490,259,619.70-2,235,389,429.55-508,794,380.90

Finding the Fourth Proportional to 1,490,259,619.70, 2,235,389,429.55 and 508,794,380.90

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Solution

The fourth proportional to 1,490,259,619.70, 2,235,389,429.55 and 508,794,380.90 is: 763,191,571.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,259,619.70 : 2,235,389,429.55 = 508,794,380.90 : x
  2. Step 2: Convert to fraction form
    1,490,259,619.70/2,235,389,429.55 = 508,794,380.90/x
  3. Step 3: Cross multiply
    1,490,259,619.70x = 2,235,389,429.55 × 508,794,380.90
  4. Step 4: Simplify right side
    1,490,259,619.70x = 1,137,353,580,878,296,448
  5. Step 5: Solve for x
    x = 1,137,353,580,878,296,448/1,490,259,619.70
  6. Step 6: Final answer
    x = 763,191,571.35

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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.