Home / 654,740,842.91-903,407,483.43-376,228,558.04

Finding the Fourth Proportional to 654,740,842.91, 903,407,483.43 and 376,228,558.04

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Solution

The fourth proportional to 654,740,842.91, 903,407,483.43 and 376,228,558.04 is: 519,117,905.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,740,842.91 : 903,407,483.43 = 376,228,558.04 : x
  2. Step 2: Convert to fraction form
    654,740,842.91/903,407,483.43 = 376,228,558.04/x
  3. Step 3: Cross multiply
    654,740,842.91x = 903,407,483.43 × 376,228,558.04
  4. Step 4: Simplify right side
    654,740,842.91x = 339,887,694,808,201,088
  5. Step 5: Solve for x
    x = 339,887,694,808,201,088/654,740,842.91
  6. Step 6: Final answer
    x = 519,117,905.19

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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.