Home / 521,520,768,086.20-782,281,152,129.30-437,837,942,462.20

Finding the Fourth Proportional to 521,520,768,086.20, 782,281,152,129.30 and 437,837,942,462.20

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Solution

The fourth proportional to 521,520,768,086.20, 782,281,152,129.30 and 437,837,942,462.20 is: 656,756,913,693.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,768,086.20 : 782,281,152,129.30 = 437,837,942,462.20 : x
  2. Step 2: Convert to fraction form
    521,520,768,086.20/782,281,152,129.30 = 437,837,942,462.20/x
  3. Step 3: Cross multiply
    521,520,768,086.20x = 782,281,152,129.30 × 437,837,942,462.20
  4. Step 4: Simplify right side
    521,520,768,086.20x = 342,512,370,075,251,976,962,048
  5. Step 5: Solve for x
    x = 342,512,370,075,251,976,962,048/521,520,768,086.20
  6. Step 6: Final answer
    x = 656,756,913,693.30

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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.