Home / 899,892,342.90-1,241,853,256.16-503,421,953.39

Finding the Fourth Proportional to 899,892,342.90, 1,241,853,256.16 and 503,421,953.39

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Solution

The fourth proportional to 899,892,342.90, 1,241,853,256.16 and 503,421,953.39 is: 694,723,315.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,892,342.90 : 1,241,853,256.16 = 503,421,953.39 : x
  2. Step 2: Convert to fraction form
    899,892,342.90/1,241,853,256.16 = 503,421,953.39/x
  3. Step 3: Cross multiply
    899,892,342.90x = 1,241,853,256.16 × 503,421,953.39
  4. Step 4: Simplify right side
    899,892,342.90x = 625,176,192,031,072,896
  5. Step 5: Solve for x
    x = 625,176,192,031,072,896/899,892,342.90
  6. Step 6: Final answer
    x = 694,723,315.48

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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.