Home / 289,655,428.20-434,987,027.10-153,606,532.20

Finding the Fourth Proportional to 289,655,428.20, 434,987,027.10 and 153,606,532.20

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Solution

The fourth proportional to 289,655,428.20, 434,987,027.10 and 153,606,532.20 is: 230,677,012.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,655,428.20 : 434,987,027.10 = 153,606,532.20 : x
  2. Step 2: Convert to fraction form
    289,655,428.20/434,987,027.10 = 153,606,532.20/x
  3. Step 3: Cross multiply
    289,655,428.20x = 434,987,027.10 × 153,606,532.20
  4. Step 4: Simplify right side
    289,655,428.20x = 66,816,848,784,818,424
  5. Step 5: Solve for x
    x = 66,816,848,784,818,424/289,655,428.20
  6. Step 6: Final answer
    x = 230,677,012.34

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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.