Home / 1,165,920,044.52-1,749,186,365.04-419,011,228.56

Finding the Fourth Proportional to 1,165,920,044.52, 1,749,186,365.04 and 419,011,228.56

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Solution

The fourth proportional to 1,165,920,044.52, 1,749,186,365.04 and 419,011,228.56 is: 628,626,921.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,920,044.52 : 1,749,186,365.04 = 419,011,228.56 : x
  2. Step 2: Convert to fraction form
    1,165,920,044.52/1,749,186,365.04 = 419,011,228.56/x
  3. Step 3: Cross multiply
    1,165,920,044.52x = 1,749,186,365.04 × 419,011,228.56
  4. Step 4: Simplify right side
    1,165,920,044.52x = 732,928,727,795,811,072
  5. Step 5: Solve for x
    x = 732,928,727,795,811,072/1,165,920,044.52
  6. Step 6: Final answer
    x = 628,626,921.07

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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.