Home / 1,372,671,262.86-2,059,021,262.88-543,826,628.25

Finding the Fourth Proportional to 1,372,671,262.86, 2,059,021,262.88 and 543,826,628.25

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Solution

The fourth proportional to 1,372,671,262.86, 2,059,021,262.88 and 543,826,628.25 is: 815,745,634.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,671,262.86 : 2,059,021,262.88 = 543,826,628.25 : x
  2. Step 2: Convert to fraction form
    1,372,671,262.86/2,059,021,262.88 = 543,826,628.25/x
  3. Step 3: Cross multiply
    1,372,671,262.86x = 2,059,021,262.88 × 543,826,628.25
  4. Step 4: Simplify right side
    1,372,671,262.86x = 1,119,750,590,887,087,360
  5. Step 5: Solve for x
    x = 1,119,750,590,887,087,360/1,372,671,262.86
  6. Step 6: Final answer
    x = 815,745,634.94

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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.