Home / 347,736,650.80-521,604,976.20-311,456,945.20

Finding the Fourth Proportional to 347,736,650.80, 521,604,976.20 and 311,456,945.20

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Solution

The fourth proportional to 347,736,650.80, 521,604,976.20 and 311,456,945.20 is: 467,185,417.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,736,650.80 : 521,604,976.20 = 311,456,945.20 : x
  2. Step 2: Convert to fraction form
    347,736,650.80/521,604,976.20 = 311,456,945.20/x
  3. Step 3: Cross multiply
    347,736,650.80x = 521,604,976.20 × 311,456,945.20
  4. Step 4: Simplify right side
    347,736,650.80x = 162,457,492,488,370,688
  5. Step 5: Solve for x
    x = 162,457,492,488,370,688/347,736,650.80
  6. Step 6: Final answer
    x = 467,185,417.80

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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.