Home / 899,892,344.40-1,241,853,258.23-503,421,954.89

Finding the Fourth Proportional to 899,892,344.40, 1,241,853,258.23 and 503,421,954.89

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Solution

The fourth proportional to 899,892,344.40, 1,241,853,258.23 and 503,421,954.89 is: 694,723,317.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,892,344.40 : 1,241,853,258.23 = 503,421,954.89 : x
  2. Step 2: Convert to fraction form
    899,892,344.40/1,241,853,258.23 = 503,421,954.89/x
  3. Step 3: Cross multiply
    899,892,344.40x = 1,241,853,258.23 × 503,421,954.89
  4. Step 4: Simplify right side
    899,892,344.40x = 625,176,194,935,936,128
  5. Step 5: Solve for x
    x = 625,176,194,935,936,128/899,892,344.40
  6. Step 6: Final answer
    x = 694,723,317.55

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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.