Home / 1,165,920,047.52-1,749,186,369.54-419,011,231.56

Finding the Fourth Proportional to 1,165,920,047.52, 1,749,186,369.54 and 419,011,231.56

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Solution

The fourth proportional to 1,165,920,047.52, 1,749,186,369.54 and 419,011,231.56 is: 628,626,925.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,920,047.52 : 1,749,186,369.54 = 419,011,231.56 : x
  2. Step 2: Convert to fraction form
    1,165,920,047.52/1,749,186,369.54 = 419,011,231.56/x
  3. Step 3: Cross multiply
    1,165,920,047.52x = 1,749,186,369.54 × 419,011,231.56
  4. Step 4: Simplify right side
    1,165,920,047.52x = 732,928,734,928,920,704
  5. Step 5: Solve for x
    x = 732,928,734,928,920,704/1,165,920,047.52
  6. Step 6: Final answer
    x = 628,626,925.57

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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.