Home / 323,748,276.70-485,622,415.05-289,736,052.70

Finding the Fourth Proportional to 323,748,276.70, 485,622,415.05 and 289,736,052.70

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Solution

The fourth proportional to 323,748,276.70, 485,622,415.05 and 289,736,052.70 is: 434,604,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,748,276.70 : 485,622,415.05 = 289,736,052.70 : x
  2. Step 2: Convert to fraction form
    323,748,276.70/485,622,415.05 = 289,736,052.70/x
  3. Step 3: Cross multiply
    323,748,276.70x = 485,622,415.05 × 289,736,052.70
  4. Step 4: Simplify right side
    323,748,276.70x = 140,702,321,639,228,064
  5. Step 5: Solve for x
    x = 140,702,321,639,228,064/323,748,276.70
  6. Step 6: Final answer
    x = 434,604,079.05

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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.