Home / 828,803,380.91-1,143,742,847.24-452,459,968.61

Finding the Fourth Proportional to 828,803,380.91, 1,143,742,847.24 and 452,459,968.61

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Solution

The fourth proportional to 828,803,380.91, 1,143,742,847.24 and 452,459,968.61 is: 624,391,580.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,803,380.91 : 1,143,742,847.24 = 452,459,968.61 : x
  2. Step 2: Convert to fraction form
    828,803,380.91/1,143,742,847.24 = 452,459,968.61/x
  3. Step 3: Cross multiply
    828,803,380.91x = 1,143,742,847.24 × 452,459,968.61
  4. Step 4: Simplify right side
    828,803,380.91x = 517,497,852,760,122,432
  5. Step 5: Solve for x
    x = 517,497,852,760,122,432/828,803,380.91
  6. Step 6: Final answer
    x = 624,391,580.29

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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.