Home / 578,185,467,916.55-797,915,080,939.02-317,772,407,563.70

Finding the Fourth Proportional to 578,185,467,916.55, 797,915,080,939.02 and 317,772,407,563.70

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Solution

The fourth proportional to 578,185,467,916.55, 797,915,080,939.02 and 317,772,407,563.70 is: 438,536,439,207.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,185,467,916.55 : 797,915,080,939.02 = 317,772,407,563.70 : x
  2. Step 2: Convert to fraction form
    578,185,467,916.55/797,915,080,939.02 = 317,772,407,563.70/x
  3. Step 3: Cross multiply
    578,185,467,916.55x = 797,915,080,939.02 × 317,772,407,563.70
  4. Step 4: Simplify right side
    578,185,467,916.55x = 253,555,396,301,376,966,361,088
  5. Step 5: Solve for x
    x = 253,555,396,301,376,966,361,088/578,185,467,916.55
  6. Step 6: Final answer
    x = 438,536,439,207.04

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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.