Home / 1,152,518,273.16-1,728,239,188.86-415,491,108.36

Finding the Fourth Proportional to 1,152,518,273.16, 1,728,239,188.86 and 415,491,108.36

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Solution

The fourth proportional to 1,152,518,273.16, 1,728,239,188.86 and 415,491,108.36 is: 623,042,630.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,518,273.16 : 1,728,239,188.86 = 415,491,108.36 : x
  2. Step 2: Convert to fraction form
    1,152,518,273.16/1,728,239,188.86 = 415,491,108.36/x
  3. Step 3: Cross multiply
    1,152,518,273.16x = 1,728,239,188.86 × 415,491,108.36
  4. Step 4: Simplify right side
    1,152,518,273.16x = 718,068,016,090,628,736
  5. Step 5: Solve for x
    x = 718,068,016,090,628,736/1,152,518,273.16
  6. Step 6: Final answer
    x = 623,042,630.05

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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.