Home / 578,185,467,916.05-797,915,080,938.33-317,772,407,563.20

Finding the Fourth Proportional to 578,185,467,916.05, 797,915,080,938.33 and 317,772,407,563.20

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Solution

The fourth proportional to 578,185,467,916.05, 797,915,080,938.33 and 317,772,407,563.20 is: 438,536,439,206.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,185,467,916.05 : 797,915,080,938.33 = 317,772,407,563.20 : x
  2. Step 2: Convert to fraction form
    578,185,467,916.05/797,915,080,938.33 = 317,772,407,563.20/x
  3. Step 3: Cross multiply
    578,185,467,916.05x = 797,915,080,938.33 × 317,772,407,563.20
  4. Step 4: Simplify right side
    578,185,467,916.05x = 253,555,396,300,758,725,951,488
  5. Step 5: Solve for x
    x = 253,555,396,300,758,725,951,488/578,185,467,916.05
  6. Step 6: Final answer
    x = 438,536,439,206.35

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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.