Home / 770,954,089.74-1,156,431,105.45-225,695,623.74

Finding the Fourth Proportional to 770,954,089.74, 1,156,431,105.45 and 225,695,623.74

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Solution

The fourth proportional to 770,954,089.74, 1,156,431,105.45 and 225,695,623.74 is: 338,543,427.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,954,089.74 : 1,156,431,105.45 = 225,695,623.74 : x
  2. Step 2: Convert to fraction form
    770,954,089.74/1,156,431,105.45 = 225,695,623.74/x
  3. Step 3: Cross multiply
    770,954,089.74x = 1,156,431,105.45 × 225,695,623.74
  4. Step 4: Simplify right side
    770,954,089.74x = 261,001,439,656,875,488
  5. Step 5: Solve for x
    x = 261,001,439,656,875,488/770,954,089.74
  6. Step 6: Final answer
    x = 338,543,427.07

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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.