Home / 1,152,518,274.16-1,728,239,190.36-415,491,109.36

Finding the Fourth Proportional to 1,152,518,274.16, 1,728,239,190.36 and 415,491,109.36

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Solution

The fourth proportional to 1,152,518,274.16, 1,728,239,190.36 and 415,491,109.36 is: 623,042,631.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,518,274.16 : 1,728,239,190.36 = 415,491,109.36 : x
  2. Step 2: Convert to fraction form
    1,152,518,274.16/1,728,239,190.36 = 415,491,109.36/x
  3. Step 3: Cross multiply
    1,152,518,274.16x = 1,728,239,190.36 × 415,491,109.36
  4. Step 4: Simplify right side
    1,152,518,274.16x = 718,068,018,442,104,576
  5. Step 5: Solve for x
    x = 718,068,018,442,104,576/1,152,518,274.16
  6. Step 6: Final answer
    x = 623,042,631.55

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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.