Home / 538,133,048.40-807,199,572.60-490,515,934.80

Finding the Fourth Proportional to 538,133,048.40, 807,199,572.60 and 490,515,934.80

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Solution

The fourth proportional to 538,133,048.40, 807,199,572.60 and 490,515,934.80 is: 735,773,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,133,048.40 : 807,199,572.60 = 490,515,934.80 : x
  2. Step 2: Convert to fraction form
    538,133,048.40/807,199,572.60 = 490,515,934.80/x
  3. Step 3: Cross multiply
    538,133,048.40x = 807,199,572.60 × 490,515,934.80
  4. Step 4: Simplify right side
    538,133,048.40x = 395,944,252,924,049,472
  5. Step 5: Solve for x
    x = 395,944,252,924,049,472/538,133,048.40
  6. Step 6: Final answer
    x = 735,773,902.20

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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.