Home / 724,745,743.44-1,000,113,476.40-411,438,835.32

Finding the Fourth Proportional to 724,745,743.44, 1,000,113,476.40 and 411,438,835.32

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Solution

The fourth proportional to 724,745,743.44, 1,000,113,476.40 and 411,438,835.32 is: 567,765,354.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,745,743.44 : 1,000,113,476.40 = 411,438,835.32 : x
  2. Step 2: Convert to fraction form
    724,745,743.44/1,000,113,476.40 = 411,438,835.32/x
  3. Step 3: Cross multiply
    724,745,743.44x = 1,000,113,476.40 × 411,438,835.32
  4. Step 4: Simplify right side
    724,745,743.44x = 411,485,523,917,852,288
  5. Step 5: Solve for x
    x = 411,485,523,917,852,288/724,745,743.44
  6. Step 6: Final answer
    x = 567,765,354.46

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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.