Home / 783,631,861.45-1,175,617,853.39-238,359,223.69

Finding the Fourth Proportional to 783,631,861.45, 1,175,617,853.39 and 238,359,223.69

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Solution

The fourth proportional to 783,631,861.45, 1,175,617,853.39 and 238,359,223.69 is: 357,590,563.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,631,861.45 : 1,175,617,853.39 = 238,359,223.69 : x
  2. Step 2: Convert to fraction form
    783,631,861.45/1,175,617,853.39 = 238,359,223.69/x
  3. Step 3: Cross multiply
    783,631,861.45x = 1,175,617,853.39 × 238,359,223.69
  4. Step 4: Simplify right side
    783,631,861.45x = 280,219,358,887,801,472
  5. Step 5: Solve for x
    x = 280,219,358,887,801,472/783,631,861.45
  6. Step 6: Final answer
    x = 357,590,563.47

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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.