Home / 899,892,343.40-1,241,853,256.85-503,421,953.89

Finding the Fourth Proportional to 899,892,343.40, 1,241,853,256.85 and 503,421,953.89

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Solution

The fourth proportional to 899,892,343.40, 1,241,853,256.85 and 503,421,953.89 is: 694,723,316.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,892,343.40 : 1,241,853,256.85 = 503,421,953.89 : x
  2. Step 2: Convert to fraction form
    899,892,343.40/1,241,853,256.85 = 503,421,953.89/x
  3. Step 3: Cross multiply
    899,892,343.40x = 1,241,853,256.85 × 503,421,953.89
  4. Step 4: Simplify right side
    899,892,343.40x = 625,176,192,999,360,640
  5. Step 5: Solve for x
    x = 625,176,192,999,360,640/899,892,343.40
  6. Step 6: Final answer
    x = 694,723,316.17

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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.