Home / 1,289,476,932.53-1,934,594,887.03-416,061,915.89

Finding the Fourth Proportional to 1,289,476,932.53, 1,934,594,887.03 and 416,061,915.89

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Solution

The fourth proportional to 1,289,476,932.53, 1,934,594,887.03 and 416,061,915.89 is: 624,215,319.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,476,932.53 : 1,934,594,887.03 = 416,061,915.89 : x
  2. Step 2: Convert to fraction form
    1,289,476,932.53/1,934,594,887.03 = 416,061,915.89/x
  3. Step 3: Cross multiply
    1,289,476,932.53x = 1,934,594,887.03 × 416,061,915.89
  4. Step 4: Simplify right side
    1,289,476,932.53x = 804,911,255,157,986,688
  5. Step 5: Solve for x
    x = 804,911,255,157,986,688/1,289,476,932.53
  6. Step 6: Final answer
    x = 624,215,319.29

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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.