Home / 519,297,784.02-716,679,016.29-287,510,776.02

Finding the Fourth Proportional to 519,297,784.02, 716,679,016.29 and 287,510,776.02

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Solution

The fourth proportional to 519,297,784.02, 716,679,016.29 and 287,510,776.02 is: 396,791,487.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,297,784.02 : 716,679,016.29 = 287,510,776.02 : x
  2. Step 2: Convert to fraction form
    519,297,784.02/716,679,016.29 = 287,510,776.02/x
  3. Step 3: Cross multiply
    519,297,784.02x = 716,679,016.29 × 287,510,776.02
  4. Step 4: Simplify right side
    519,297,784.02x = 206,052,940,130,788,096
  5. Step 5: Solve for x
    x = 206,052,940,130,788,096/519,297,784.02
  6. Step 6: Final answer
    x = 396,791,487.41

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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.