Home / 319,910,905.40-479,866,358.10-294,716,665.40

Finding the Fourth Proportional to 319,910,905.40, 479,866,358.10 and 294,716,665.40

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Solution

The fourth proportional to 319,910,905.40, 479,866,358.10 and 294,716,665.40 is: 442,074,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,910,905.40 : 479,866,358.10 = 294,716,665.40 : x
  2. Step 2: Convert to fraction form
    319,910,905.40/479,866,358.10 = 294,716,665.40/x
  3. Step 3: Cross multiply
    319,910,905.40x = 479,866,358.10 × 294,716,665.40
  4. Step 4: Simplify right side
    319,910,905.40x = 141,424,612,896,874,272
  5. Step 5: Solve for x
    x = 141,424,612,896,874,272/319,910,905.40
  6. Step 6: Final answer
    x = 442,074,998.10

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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.