Home / 279,269,064,727.48-418,903,602,626.21-67,033,197,209.80

Finding the Fourth Proportional to 279,269,064,727.48, 418,903,602,626.21 and 67,033,197,209.80

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Solution

The fourth proportional to 279,269,064,727.48, 418,903,602,626.21 and 67,033,197,209.80 is: 100,549,797,143.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,269,064,727.48 : 418,903,602,626.21 = 67,033,197,209.80 : x
  2. Step 2: Convert to fraction form
    279,269,064,727.48/418,903,602,626.21 = 67,033,197,209.80/x
  3. Step 3: Cross multiply
    279,269,064,727.48x = 418,903,602,626.21 × 67,033,197,209.80
  4. Step 4: Simplify right side
    279,269,064,727.48x = 28,080,447,806,738,431,737,856
  5. Step 5: Solve for x
    x = 28,080,447,806,738,431,737,856/279,269,064,727.48
  6. Step 6: Final answer
    x = 100,549,797,143.27

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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.