Home / 460,363,029.80-690,079,140.16-198,218,537.24

Finding the Fourth Proportional to 460,363,029.80, 690,079,140.16 and 198,218,537.24

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Solution

The fourth proportional to 460,363,029.80, 690,079,140.16 and 198,218,537.24 is: 297,127,416.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,363,029.80 : 690,079,140.16 = 198,218,537.24 : x
  2. Step 2: Convert to fraction form
    460,363,029.80/690,079,140.16 = 198,218,537.24/x
  3. Step 3: Cross multiply
    460,363,029.80x = 690,079,140.16 × 198,218,537.24
  4. Step 4: Simplify right side
    460,363,029.80x = 136,786,477,738,406,208
  5. Step 5: Solve for x
    x = 136,786,477,738,406,208/460,363,029.80
  6. Step 6: Final answer
    x = 297,127,416.59

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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.