Home / 521,520,994,022.95-782,281,491,034.45-521,520,994,022.95

Finding the Fourth Proportional to 521,520,994,022.95, 782,281,491,034.45 and 521,520,994,022.95

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Solution

The fourth proportional to 521,520,994,022.95, 782,281,491,034.45 and 521,520,994,022.95 is: 782,281,491,034.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,994,022.95 : 782,281,491,034.45 = 521,520,994,022.95 : x
  2. Step 2: Convert to fraction form
    521,520,994,022.95/782,281,491,034.45 = 521,520,994,022.95/x
  3. Step 3: Cross multiply
    521,520,994,022.95x = 782,281,491,034.45 × 521,520,994,022.95
  4. Step 4: Simplify right side
    521,520,994,022.95x = 407,976,220,810,041,767,231,488
  5. Step 5: Solve for x
    x = 407,976,220,810,041,767,231,488/521,520,994,022.95
  6. Step 6: Final answer
    x = 782,281,491,034.45

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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.