Home / 1,638,146,443.02-2,457,204,843.96-517,670,285.22

Finding the Fourth Proportional to 1,638,146,443.02, 2,457,204,843.96 and 517,670,285.22

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Solution

The fourth proportional to 1,638,146,443.02, 2,457,204,843.96 and 517,670,285.22 is: 776,500,744.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,146,443.02 : 2,457,204,843.96 = 517,670,285.22 : x
  2. Step 2: Convert to fraction form
    1,638,146,443.02/2,457,204,843.96 = 517,670,285.22/x
  3. Step 3: Cross multiply
    1,638,146,443.02x = 2,457,204,843.96 × 517,670,285.22
  4. Step 4: Simplify right side
    1,638,146,443.02x = 1,272,021,932,416,738,816
  5. Step 5: Solve for x
    x = 1,272,021,932,416,738,816/1,638,146,443.02
  6. Step 6: Final answer
    x = 776,500,744.39

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Double scale
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1.5x scale

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.