Home / 912,504,029.20-1,367,748,274.20-503,853,456.40

Finding the Fourth Proportional to 912,504,029.20, 1,367,748,274.20 and 503,853,456.40

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Solution

The fourth proportional to 912,504,029.20, 1,367,748,274.20 and 503,853,456.40 is: 755,223,728.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,504,029.20 : 1,367,748,274.20 = 503,853,456.40 : x
  2. Step 2: Convert to fraction form
    912,504,029.20/1,367,748,274.20 = 503,853,456.40/x
  3. Step 3: Cross multiply
    912,504,029.20x = 1,367,748,274.20 × 503,853,456.40
  4. Step 4: Simplify right side
    912,504,029.20x = 689,144,695,440,804,992
  5. Step 5: Solve for x
    x = 689,144,695,440,804,992/912,504,029.20
  6. Step 6: Final answer
    x = 755,223,728.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.