Home / 877,264,238.76-1,315,886,213.34-213,282,019.53

Finding the Fourth Proportional to 877,264,238.76, 1,315,886,213.34 and 213,282,019.53

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Solution

The fourth proportional to 877,264,238.76, 1,315,886,213.34 and 213,282,019.53 is: 319,920,562.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,264,238.76 : 1,315,886,213.34 = 213,282,019.53 : x
  2. Step 2: Convert to fraction form
    877,264,238.76/1,315,886,213.34 = 213,282,019.53/x
  3. Step 3: Cross multiply
    877,264,238.76x = 1,315,886,213.34 × 213,282,019.53
  4. Step 4: Simplify right side
    877,264,238.76x = 280,654,869,052,839,616
  5. Step 5: Solve for x
    x = 280,654,869,052,839,616/877,264,238.76
  6. Step 6: Final answer
    x = 319,920,562.87

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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.