Home / 406,945,730.20-610,455,920.10-134,317,096.60

Finding the Fourth Proportional to 406,945,730.20, 610,455,920.10 and 134,317,096.60

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Solution

The fourth proportional to 406,945,730.20, 610,455,920.10 and 134,317,096.60 is: 201,487,964.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,945,730.20 : 610,455,920.10 = 134,317,096.60 : x
  2. Step 2: Convert to fraction form
    406,945,730.20/610,455,920.10 = 134,317,096.60/x
  3. Step 3: Cross multiply
    406,945,730.20x = 610,455,920.10 × 134,317,096.60
  4. Step 4: Simplify right side
    406,945,730.20x = 81,994,666,790,113,584
  5. Step 5: Solve for x
    x = 81,994,666,790,113,584/406,945,730.20
  6. Step 6: Final answer
    x = 201,487,964.38

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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.