Home / 721,111,669.20-1,082,801,244.60-415,001,653.20

Finding the Fourth Proportional to 721,111,669.20, 1,082,801,244.60 and 415,001,653.20

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Solution

The fourth proportional to 721,111,669.20, 1,082,801,244.60 and 415,001,653.20 is: 623,154,950.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,111,669.20 : 1,082,801,244.60 = 415,001,653.20 : x
  2. Step 2: Convert to fraction form
    721,111,669.20/1,082,801,244.60 = 415,001,653.20/x
  3. Step 3: Cross multiply
    721,111,669.20x = 1,082,801,244.60 × 415,001,653.20
  4. Step 4: Simplify right side
    721,111,669.20x = 449,364,306,596,017,536
  5. Step 5: Solve for x
    x = 449,364,306,596,017,536/721,111,669.20
  6. Step 6: Final answer
    x = 623,154,950.60

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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.