Home / 613,330,040.40-919,541,287.80-289,835,998.80

Finding the Fourth Proportional to 613,330,040.40, 919,541,287.80 and 289,835,998.80

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Solution

The fourth proportional to 613,330,040.40, 919,541,287.80 and 289,835,998.80 is: 434,539,562.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,330,040.40 : 919,541,287.80 = 289,835,998.80 : x
  2. Step 2: Convert to fraction form
    613,330,040.40/919,541,287.80 = 289,835,998.80/x
  3. Step 3: Cross multiply
    613,330,040.40x = 919,541,287.80 × 289,835,998.80
  4. Step 4: Simplify right side
    613,330,040.40x = 266,516,167,587,351,264
  5. Step 5: Solve for x
    x = 266,516,167,587,351,264/613,330,040.40
  6. Step 6: Final answer
    x = 434,539,562.77

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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.