Home / 448,495,329.45-672,742,994.18-327,562,977.45

Finding the Fourth Proportional to 448,495,329.45, 672,742,994.18 and 327,562,977.45

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Solution

The fourth proportional to 448,495,329.45, 672,742,994.18 and 327,562,977.45 is: 491,344,466.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,495,329.45 : 672,742,994.18 = 327,562,977.45 : x
  2. Step 2: Convert to fraction form
    448,495,329.45/672,742,994.18 = 327,562,977.45/x
  3. Step 3: Cross multiply
    448,495,329.45x = 672,742,994.18 × 327,562,977.45
  4. Step 4: Simplify right side
    448,495,329.45x = 220,365,698,230,590,976
  5. Step 5: Solve for x
    x = 220,365,698,230,590,976/448,495,329.45
  6. Step 6: Final answer
    x = 491,344,466.18

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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.