Home / 899,892,342.15-1,241,853,255.12-503,421,952.64

Finding the Fourth Proportional to 899,892,342.15, 1,241,853,255.12 and 503,421,952.64

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Solution

The fourth proportional to 899,892,342.15, 1,241,853,255.12 and 503,421,952.64 is: 694,723,314.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,892,342.15 : 1,241,853,255.12 = 503,421,952.64 : x
  2. Step 2: Convert to fraction form
    899,892,342.15/1,241,853,255.12 = 503,421,952.64/x
  3. Step 3: Cross multiply
    899,892,342.15x = 1,241,853,255.12 × 503,421,952.64
  4. Step 4: Simplify right side
    899,892,342.15x = 625,176,190,577,684,608
  5. Step 5: Solve for x
    x = 625,176,190,577,684,608/899,892,342.15
  6. Step 6: Final answer
    x = 694,723,314.44

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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.