Home / 654,741,112.27-903,407,854.53-376,228,827.40

Finding the Fourth Proportional to 654,741,112.27, 903,407,854.53 and 376,228,827.40

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Solution

The fourth proportional to 654,741,112.27, 903,407,854.53 and 376,228,827.40 is: 519,118,276.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,741,112.27 : 903,407,854.53 = 376,228,827.40 : x
  2. Step 2: Convert to fraction form
    654,741,112.27/903,407,854.53 = 376,228,827.40/x
  3. Step 3: Cross multiply
    654,741,112.27x = 903,407,854.53 × 376,228,827.40
  4. Step 4: Simplify right side
    654,741,112.27x = 339,888,077,773,771,648
  5. Step 5: Solve for x
    x = 339,888,077,773,771,648/654,741,112.27
  6. Step 6: Final answer
    x = 519,118,276.53

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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.