Home / 945,290,911.24-1,418,147,171.76-290,308,036.24

Finding the Fourth Proportional to 945,290,911.24, 1,418,147,171.76 and 290,308,036.24

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Solution

The fourth proportional to 945,290,911.24, 1,418,147,171.76 and 290,308,036.24 is: 435,526,794.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,290,911.24 : 1,418,147,171.76 = 290,308,036.24 : x
  2. Step 2: Convert to fraction form
    945,290,911.24/1,418,147,171.76 = 290,308,036.24/x
  3. Step 3: Cross multiply
    945,290,911.24x = 1,418,147,171.76 × 290,308,036.24
  4. Step 4: Simplify right side
    945,290,911.24x = 411,699,520,532,955,584
  5. Step 5: Solve for x
    x = 411,699,520,532,955,584/945,290,911.24
  6. Step 6: Final answer
    x = 435,526,794.60

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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.