Home / 289,838,629.20-434,757,943.80-232,443,001.20

Finding the Fourth Proportional to 289,838,629.20, 434,757,943.80 and 232,443,001.20

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Solution

The fourth proportional to 289,838,629.20, 434,757,943.80 and 232,443,001.20 is: 348,664,501.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,838,629.20 : 434,757,943.80 = 232,443,001.20 : x
  2. Step 2: Convert to fraction form
    289,838,629.20/434,757,943.80 = 232,443,001.20/x
  3. Step 3: Cross multiply
    289,838,629.20x = 434,757,943.80 × 232,443,001.20
  4. Step 4: Simplify right side
    289,838,629.20x = 101,056,441,252,412,928
  5. Step 5: Solve for x
    x = 101,056,441,252,412,928/289,838,629.20
  6. Step 6: Final answer
    x = 348,664,501.80

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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.