Home / 748,213,748.88-1,032,570,961.60-413,680,081.20

Finding the Fourth Proportional to 748,213,748.88, 1,032,570,961.60 and 413,680,081.20

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Solution

The fourth proportional to 748,213,748.88, 1,032,570,961.60 and 413,680,081.20 is: 570,898,409.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,213,748.88 : 1,032,570,961.60 = 413,680,081.20 : x
  2. Step 2: Convert to fraction form
    748,213,748.88/1,032,570,961.60 = 413,680,081.20/x
  3. Step 3: Cross multiply
    748,213,748.88x = 1,032,570,961.60 × 413,680,081.20
  4. Step 4: Simplify right side
    748,213,748.88x = 427,154,039,239,450,048
  5. Step 5: Solve for x
    x = 427,154,039,239,450,048/748,213,748.88
  6. Step 6: Final answer
    x = 570,898,409.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.