Home / 664,606,477.80-996,909,716.70-446,928,244.20

Finding the Fourth Proportional to 664,606,477.80, 996,909,716.70 and 446,928,244.20

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Solution

The fourth proportional to 664,606,477.80, 996,909,716.70 and 446,928,244.20 is: 670,392,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,606,477.80 : 996,909,716.70 = 446,928,244.20 : x
  2. Step 2: Convert to fraction form
    664,606,477.80/996,909,716.70 = 446,928,244.20/x
  3. Step 3: Cross multiply
    664,606,477.80x = 996,909,716.70 × 446,928,244.20
  4. Step 4: Simplify right side
    664,606,477.80x = 445,547,109,310,650,432
  5. Step 5: Solve for x
    x = 445,547,109,310,650,432/664,606,477.80
  6. Step 6: Final answer
    x = 670,392,366.30

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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.