Home / 848,007,194.63-1,272,011,256.68-387,622,513.53

Finding the Fourth Proportional to 848,007,194.63, 1,272,011,256.68 and 387,622,513.53

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Solution

The fourth proportional to 848,007,194.63, 1,272,011,256.68 and 387,622,513.53 is: 581,433,982.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,007,194.63 : 1,272,011,256.68 = 387,622,513.53 : x
  2. Step 2: Convert to fraction form
    848,007,194.63/1,272,011,256.68 = 387,622,513.53/x
  3. Step 3: Cross multiply
    848,007,194.63x = 1,272,011,256.68 × 387,622,513.53
  4. Step 4: Simplify right side
    848,007,194.63x = 493,060,200,550,817,408
  5. Step 5: Solve for x
    x = 493,060,200,550,817,408/848,007,194.63
  6. Step 6: Final answer
    x = 581,433,982.73

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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.