Home / 387,072,039.40-580,608,059.10-223,813,364.20

Finding the Fourth Proportional to 387,072,039.40, 580,608,059.10 and 223,813,364.20

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Solution

The fourth proportional to 387,072,039.40, 580,608,059.10 and 223,813,364.20 is: 335,720,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,072,039.40 : 580,608,059.10 = 223,813,364.20 : x
  2. Step 2: Convert to fraction form
    387,072,039.40/580,608,059.10 = 223,813,364.20/x
  3. Step 3: Cross multiply
    387,072,039.40x = 580,608,059.10 × 223,813,364.20
  4. Step 4: Simplify right side
    387,072,039.40x = 129,947,842,988,803,424
  5. Step 5: Solve for x
    x = 129,947,842,988,803,424/387,072,039.40
  6. Step 6: Final answer
    x = 335,720,046.30

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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.