Home / 1,320,148,580.94-1,821,819,541.86-725,433,219.02

Finding the Fourth Proportional to 1,320,148,580.94, 1,821,819,541.86 and 725,433,219.02

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Solution

The fourth proportional to 1,320,148,580.94, 1,821,819,541.86 and 725,433,219.02 is: 1,001,105,810.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,148,580.94 : 1,821,819,541.86 = 725,433,219.02 : x
  2. Step 2: Convert to fraction form
    1,320,148,580.94/1,821,819,541.86 = 725,433,219.02/x
  3. Step 3: Cross multiply
    1,320,148,580.94x = 1,821,819,541.86 × 725,433,219.02
  4. Step 4: Simplify right side
    1,320,148,580.94x = 1,321,608,414,725,041,408
  5. Step 5: Solve for x
    x = 1,321,608,414,725,041,408/1,320,148,580.94
  6. Step 6: Final answer
    x = 1,001,105,810.21

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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.