Home / 289,626,428.80-434,460,638.40-174,362,780.80

Finding the Fourth Proportional to 289,626,428.80, 434,460,638.40 and 174,362,780.80

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Solution

The fourth proportional to 289,626,428.80, 434,460,638.40 and 174,362,780.80 is: 261,556,810.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,626,428.80 : 434,460,638.40 = 174,362,780.80 : x
  2. Step 2: Convert to fraction form
    289,626,428.80/434,460,638.40 = 174,362,780.80/x
  3. Step 3: Cross multiply
    289,626,428.80x = 434,460,638.40 × 174,362,780.80
  4. Step 4: Simplify right side
    289,626,428.80x = 75,753,765,059,567,264
  5. Step 5: Solve for x
    x = 75,753,765,059,567,264/289,626,428.80
  6. Step 6: Final answer
    x = 261,556,810.87

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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.