Home / 449,323,319.40-674,059,628.70-176,702,980.20

Finding the Fourth Proportional to 449,323,319.40, 674,059,628.70 and 176,702,980.20

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Solution

The fourth proportional to 449,323,319.40, 674,059,628.70 and 176,702,980.20 is: 265,083,827.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,323,319.40 : 674,059,628.70 = 176,702,980.20 : x
  2. Step 2: Convert to fraction form
    449,323,319.40/674,059,628.70 = 176,702,980.20/x
  3. Step 3: Cross multiply
    449,323,319.40x = 674,059,628.70 × 176,702,980.20
  4. Step 4: Simplify right side
    449,323,319.40x = 119,108,345,223,795,456
  5. Step 5: Solve for x
    x = 119,108,345,223,795,456/449,323,319.40
  6. Step 6: Final answer
    x = 265,083,827.35

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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.