Home / 682,717,017.64-942,149,485.38-369,451,231.48

Finding the Fourth Proportional to 682,717,017.64, 942,149,485.38 and 369,451,231.48

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Solution

The fourth proportional to 682,717,017.64, 942,149,485.38 and 369,451,231.48 is: 509,842,700.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,717,017.64 : 942,149,485.38 = 369,451,231.48 : x
  2. Step 2: Convert to fraction form
    682,717,017.64/942,149,485.38 = 369,451,231.48/x
  3. Step 3: Cross multiply
    682,717,017.64x = 942,149,485.38 × 369,451,231.48
  4. Step 4: Simplify right side
    682,717,017.64x = 348,078,287,611,889,280
  5. Step 5: Solve for x
    x = 348,078,287,611,889,280/682,717,017.64
  6. Step 6: Final answer
    x = 509,842,700.00

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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.