Home / 1,165,119,181.43-1,747,693,917.32-388,764,842.22

Finding the Fourth Proportional to 1,165,119,181.43, 1,747,693,917.32 and 388,764,842.22

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Solution

The fourth proportional to 1,165,119,181.43, 1,747,693,917.32 and 388,764,842.22 is: 583,152,316.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,119,181.43 : 1,747,693,917.32 = 388,764,842.22 : x
  2. Step 2: Convert to fraction form
    1,165,119,181.43/1,747,693,917.32 = 388,764,842.22/x
  3. Step 3: Cross multiply
    1,165,119,181.43x = 1,747,693,917.32 × 388,764,842.22
  4. Step 4: Simplify right side
    1,165,119,181.43x = 679,441,950,013,819,776
  5. Step 5: Solve for x
    x = 679,441,950,013,819,776/1,165,119,181.43
  6. Step 6: Final answer
    x = 583,152,316.82

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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.