Home / 289,626,429.80-434,460,639.90-174,362,781.80

Finding the Fourth Proportional to 289,626,429.80, 434,460,639.90 and 174,362,781.80

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Solution

The fourth proportional to 289,626,429.80, 434,460,639.90 and 174,362,781.80 is: 261,556,812.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,626,429.80 : 434,460,639.90 = 174,362,781.80 : x
  2. Step 2: Convert to fraction form
    289,626,429.80/434,460,639.90 = 174,362,781.80/x
  3. Step 3: Cross multiply
    289,626,429.80x = 434,460,639.90 × 174,362,781.80
  4. Step 4: Simplify right side
    289,626,429.80x = 75,753,765,755,572,080
  5. Step 5: Solve for x
    x = 75,753,765,755,572,080/289,626,429.80
  6. Step 6: Final answer
    x = 261,556,812.37

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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.