Home / 521,520,962,579.70-782,281,443,869.55-521,520,962,579.70

Finding the Fourth Proportional to 521,520,962,579.70, 782,281,443,869.55 and 521,520,962,579.70

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Solution

The fourth proportional to 521,520,962,579.70, 782,281,443,869.55 and 521,520,962,579.70 is: 782,281,443,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,962,579.70 : 782,281,443,869.55 = 521,520,962,579.70 : x
  2. Step 2: Convert to fraction form
    521,520,962,579.70/782,281,443,869.55 = 521,520,962,579.70/x
  3. Step 3: Cross multiply
    521,520,962,579.70x = 782,281,443,869.55 × 521,520,962,579.70
  4. Step 4: Simplify right side
    521,520,962,579.70x = 407,976,171,615,085,316,276,224
  5. Step 5: Solve for x
    x = 407,976,171,615,085,316,276,224/521,520,962,579.70
  6. Step 6: Final answer
    x = 782,281,443,869.55

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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.