Home / 439,752,581.42-659,628,496.69-112,228,068.31

Finding the Fourth Proportional to 439,752,581.42, 659,628,496.69 and 112,228,068.31

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Solution

The fourth proportional to 439,752,581.42, 659,628,496.69 and 112,228,068.31 is: 168,342,006.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,752,581.42 : 659,628,496.69 = 112,228,068.31 : x
  2. Step 2: Convert to fraction form
    439,752,581.42/659,628,496.69 = 112,228,068.31/x
  3. Step 3: Cross multiply
    439,752,581.42x = 659,628,496.69 × 112,228,068.31
  4. Step 4: Simplify right side
    439,752,581.42x = 74,028,831,983,818,288
  5. Step 5: Solve for x
    x = 74,028,831,983,818,288/439,752,581.42
  6. Step 6: Final answer
    x = 168,342,006.65

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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.