Home / 1,414,906,935.20-2,122,742,513.52-432,306,681.72

Finding the Fourth Proportional to 1,414,906,935.20, 2,122,742,513.52 and 432,306,681.72

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Solution

The fourth proportional to 1,414,906,935.20, 2,122,742,513.52 and 432,306,681.72 is: 648,576,771.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414,906,935.20 : 2,122,742,513.52 = 432,306,681.72 : x
  2. Step 2: Convert to fraction form
    1,414,906,935.20/2,122,742,513.52 = 432,306,681.72/x
  3. Step 3: Cross multiply
    1,414,906,935.20x = 2,122,742,513.52 × 432,306,681.72
  4. Step 4: Simplify right side
    1,414,906,935.20x = 917,675,772,165,803,520
  5. Step 5: Solve for x
    x = 917,675,772,165,803,520/1,414,906,935.20
  6. Step 6: Final answer
    x = 648,576,771.61

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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.