Home / 497,977,573,843.71-747,011,945,855.66-139,827,133,993.05

Finding the Fourth Proportional to 497,977,573,843.71, 747,011,945,855.66 and 139,827,133,993.05

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Solution

The fourth proportional to 497,977,573,843.71, 747,011,945,855.66 and 139,827,133,993.05 is: 209,753,500,828.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,977,573,843.71 : 747,011,945,855.66 = 139,827,133,993.05 : x
  2. Step 2: Convert to fraction form
    497,977,573,843.71/747,011,945,855.66 = 139,827,133,993.05/x
  3. Step 3: Cross multiply
    497,977,573,843.71x = 747,011,945,855.66 × 139,827,133,993.05
  4. Step 4: Simplify right side
    497,977,573,843.71x = 104,452,539,447,568,383,344,640
  5. Step 5: Solve for x
    x = 104,452,539,447,568,383,344,640/497,977,573,843.71
  6. Step 6: Final answer
    x = 209,753,500,828.03

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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.