Home / 788,180,427.70-1,182,270,641.55-497,942,782.90

Finding the Fourth Proportional to 788,180,427.70, 1,182,270,641.55 and 497,942,782.90

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Solution

The fourth proportional to 788,180,427.70, 1,182,270,641.55 and 497,942,782.90 is: 746,914,174.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,180,427.70 : 1,182,270,641.55 = 497,942,782.90 : x
  2. Step 2: Convert to fraction form
    788,180,427.70/1,182,270,641.55 = 497,942,782.90/x
  3. Step 3: Cross multiply
    788,180,427.70x = 1,182,270,641.55 × 497,942,782.90
  4. Step 4: Simplify right side
    788,180,427.70x = 588,703,133,394,375,296
  5. Step 5: Solve for x
    x = 588,703,133,394,375,296/788,180,427.70
  6. Step 6: Final answer
    x = 746,914,174.35

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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.