Home / 1,259,594,876.36-1,889,385,586.68-326,917,043.21

Finding the Fourth Proportional to 1,259,594,876.36, 1,889,385,586.68 and 326,917,043.21

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Solution

The fourth proportional to 1,259,594,876.36, 1,889,385,586.68 and 326,917,043.21 is: 490,373,818.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,594,876.36 : 1,889,385,586.68 = 326,917,043.21 : x
  2. Step 2: Convert to fraction form
    1,259,594,876.36/1,889,385,586.68 = 326,917,043.21/x
  3. Step 3: Cross multiply
    1,259,594,876.36x = 1,889,385,586.68 × 326,917,043.21
  4. Step 4: Simplify right side
    1,259,594,876.36x = 617,672,349,481,016,704
  5. Step 5: Solve for x
    x = 617,672,349,481,016,704/1,259,594,876.36
  6. Step 6: Final answer
    x = 490,373,818.66

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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.