Home / 521,520,768,107.70-782,281,152,161.55-362,833,335,813.30

Finding the Fourth Proportional to 521,520,768,107.70, 782,281,152,161.55 and 362,833,335,813.30

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Solution

The fourth proportional to 521,520,768,107.70, 782,281,152,161.55 and 362,833,335,813.30 is: 544,250,003,719.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,768,107.70 : 782,281,152,161.55 = 362,833,335,813.30 : x
  2. Step 2: Convert to fraction form
    521,520,768,107.70/782,281,152,161.55 = 362,833,335,813.30/x
  3. Step 3: Cross multiply
    521,520,768,107.70x = 782,281,152,161.55 × 362,833,335,813.30
  4. Step 4: Simplify right side
    521,520,768,107.70x = 283,837,679,982,646,921,265,152
  5. Step 5: Solve for x
    x = 283,837,679,982,646,921,265,152/521,520,768,107.70
  6. Step 6: Final answer
    x = 544,250,003,719.95

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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.