Home / 469,702,979.20-648,191,625.90-260,859,121.84

Finding the Fourth Proportional to 469,702,979.20, 648,191,625.90 and 260,859,121.84

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Solution

The fourth proportional to 469,702,979.20, 648,191,625.90 and 260,859,121.84 is: 359,986,429.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,702,979.20 : 648,191,625.90 = 260,859,121.84 : x
  2. Step 2: Convert to fraction form
    469,702,979.20/648,191,625.90 = 260,859,121.84/x
  3. Step 3: Cross multiply
    469,702,979.20x = 648,191,625.90 × 260,859,121.84
  4. Step 4: Simplify right side
    469,702,979.20x = 169,086,698,316,315,808
  5. Step 5: Solve for x
    x = 169,086,698,316,315,808/469,702,979.20
  6. Step 6: Final answer
    x = 359,986,429.31

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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.