Home / 543,835,266.60-815,752,899.90-469,858,679.40

Finding the Fourth Proportional to 543,835,266.60, 815,752,899.90 and 469,858,679.40

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Solution

The fourth proportional to 543,835,266.60, 815,752,899.90 and 469,858,679.40 is: 704,788,019.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,835,266.60 : 815,752,899.90 = 469,858,679.40 : x
  2. Step 2: Convert to fraction form
    543,835,266.60/815,752,899.90 = 469,858,679.40/x
  3. Step 3: Cross multiply
    543,835,266.60x = 815,752,899.90 × 469,858,679.40
  4. Step 4: Simplify right side
    543,835,266.60x = 383,288,580,263,734,336
  5. Step 5: Solve for x
    x = 383,288,580,263,734,336/543,835,266.60
  6. Step 6: Final answer
    x = 704,788,019.10

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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.