Home / 899,892,353.16-1,241,853,270.32-503,421,963.64

Finding the Fourth Proportional to 899,892,353.16, 1,241,853,270.32 and 503,421,963.64

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Solution

The fourth proportional to 899,892,353.16, 1,241,853,270.32 and 503,421,963.64 is: 694,723,329.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,892,353.16 : 1,241,853,270.32 = 503,421,963.64 : x
  2. Step 2: Convert to fraction form
    899,892,353.16/1,241,853,270.32 = 503,421,963.64/x
  3. Step 3: Cross multiply
    899,892,353.16x = 1,241,853,270.32 × 503,421,963.64
  4. Step 4: Simplify right side
    899,892,353.16x = 625,176,211,897,250,048
  5. Step 5: Solve for x
    x = 625,176,211,897,250,048/899,892,353.16
  6. Step 6: Final answer
    x = 694,723,329.63

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1.5x scale

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.