Home / 783,228,431.81-1,174,714,937.28-230,401,571.45

Finding the Fourth Proportional to 783,228,431.81, 1,174,714,937.28 and 230,401,571.45

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Solution

The fourth proportional to 783,228,431.81, 1,174,714,937.28 and 230,401,571.45 is: 345,564,788.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,228,431.81 : 1,174,714,937.28 = 230,401,571.45 : x
  2. Step 2: Convert to fraction form
    783,228,431.81/1,174,714,937.28 = 230,401,571.45/x
  3. Step 3: Cross multiply
    783,228,431.81x = 1,174,714,937.28 × 230,401,571.45
  4. Step 4: Simplify right side
    783,228,431.81x = 270,656,167,549,226,592
  5. Step 5: Solve for x
    x = 270,656,167,549,226,592/783,228,431.81
  6. Step 6: Final answer
    x = 345,564,788.71

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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.