Home / 625,877,173.12-938,433,122.10-298,452,830.08

Finding the Fourth Proportional to 625,877,173.12, 938,433,122.10 and 298,452,830.08

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Solution

The fourth proportional to 625,877,173.12, 938,433,122.10 and 298,452,830.08 is: 447,496,782.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,877,173.12 : 938,433,122.10 = 298,452,830.08 : x
  2. Step 2: Convert to fraction form
    625,877,173.12/938,433,122.10 = 298,452,830.08/x
  3. Step 3: Cross multiply
    625,877,173.12x = 938,433,122.10 × 298,452,830.08
  4. Step 4: Simplify right side
    625,877,173.12x = 280,078,021,131,555,200
  5. Step 5: Solve for x
    x = 280,078,021,131,555,200/625,877,173.12
  6. Step 6: Final answer
    x = 447,496,782.37

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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.