Home / 1,815,218,842.32-2,505,007,190.70-1,052,411,155.20

Finding the Fourth Proportional to 1,815,218,842.32, 2,505,007,190.70 and 1,052,411,155.20

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Solution

The fourth proportional to 1,815,218,842.32, 2,505,007,190.70 and 1,052,411,155.20 is: 1,452,330,402.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,218,842.32 : 2,505,007,190.70 = 1,052,411,155.20 : x
  2. Step 2: Convert to fraction form
    1,815,218,842.32/2,505,007,190.70 = 1,052,411,155.20/x
  3. Step 3: Cross multiply
    1,815,218,842.32x = 2,505,007,190.70 × 1,052,411,155.20
  4. Step 4: Simplify right side
    1,815,218,842.32x = 2,636,297,511,348,893,696
  5. Step 5: Solve for x
    x = 2,636,297,511,348,893,696/1,815,218,842.32
  6. Step 6: Final answer
    x = 1,452,330,402.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.