Home / 899,892,344.90-1,241,853,258.92-503,421,955.38

Finding the Fourth Proportional to 899,892,344.90, 1,241,853,258.92 and 503,421,955.38

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Solution

The fourth proportional to 899,892,344.90, 1,241,853,258.92 and 503,421,955.38 is: 694,723,318.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,892,344.90 : 1,241,853,258.92 = 503,421,955.38 : x
  2. Step 2: Convert to fraction form
    899,892,344.90/1,241,853,258.92 = 503,421,955.38/x
  3. Step 3: Cross multiply
    899,892,344.90x = 1,241,853,258.92 × 503,421,955.38
  4. Step 4: Simplify right side
    899,892,344.90x = 625,176,195,900,531,840
  5. Step 5: Solve for x
    x = 625,176,195,900,531,840/899,892,344.90
  6. Step 6: Final answer
    x = 694,723,318.23

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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.