Home / 699,897,002.40-1,049,845,503.60-440,270,359.20

Finding the Fourth Proportional to 699,897,002.40, 1,049,845,503.60 and 440,270,359.20

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Solution

The fourth proportional to 699,897,002.40, 1,049,845,503.60 and 440,270,359.20 is: 660,405,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,897,002.40 : 1,049,845,503.60 = 440,270,359.20 : x
  2. Step 2: Convert to fraction form
    699,897,002.40/1,049,845,503.60 = 440,270,359.20/x
  3. Step 3: Cross multiply
    699,897,002.40x = 1,049,845,503.60 × 440,270,359.20
  4. Step 4: Simplify right side
    699,897,002.40x = 462,215,856,974,476,864
  5. Step 5: Solve for x
    x = 462,215,856,974,476,864/699,897,002.40
  6. Step 6: Final answer
    x = 660,405,538.80

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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.